identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
26387D125C185E17BEF8BE2AE6D792E2.text	26387D125C185E17BEF8BE2AE6D792E2.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus bisignatus Pic 1926	<div><p>Ichthyurus bisignatus Pic, 1926</p><p>Figs 6 E, 8 E, 10 B, 12 A ‒ B, 13, 14 A ‒ D</p><p>Ichthyurus bisignatus Pic, 1926: 5.</p><p>Type material examined.</p><p>Holotype • 1 ♀ (MNHN), [h] “ Hoa Binh ”, [h] “ bisignatus / n. sp. ”, [h] “ HOLOTYPUS ”.</p><p>Additional material examined.</p><p>China, Yunnan • 1 ♂ 1 ♀ (IZAS), Menglongbanna, Mengsong, 1600 m alt., 25. IV. 1958, Fuji Pu leg. • 1 ♂ (IZAS), same locality as the preceding, 1600 m alt., 25. IV. 1958, Shuyong Wang leg. • 1 ♂ (IZAS), same locality as the preceding, 1600 m alt., 26. IV. 1958, Shuyong Wang leg. • 1 ♂ (IZAS), same locality as the preceding, 1600 m alt., 25. IV. 1958, Chunpei Hong leg.</p><p>Re-description.</p><p>Body length (both sexes): 8.0‒ 8.1 mm; body width (both sexes): 1.5 mm.</p><p>Male (Fig. 12 A). Colouration. Body yellow, head with a black transverse marking on vertex, antennae black, except for yellow antennomeres I ‒ III; pronotum with a pair of black semi-rounded markings in middle of disc; elytra with a pair of longitudinal black stripes along lateral margins, except for humeri, as well as a pair of black ovate markings on basal parts of disc; leg black at tarsi and slightly darkened at tibiae; abdomen black, yellow laterally, terminal abdominal tergite with postero-lateral projections black at apices.</p><p>Eyes strongly protruding, interocular distance ca. 0.4 times of the diameter of an eye. Antennae extending to elytral apices, antennomere II ca. 1 / 4 length of I, III ‒ XI subequal in length and ca. 3.0 times longer than II.</p><p>Pronotum 1.1 times wider than long, anterior margin arcuate, lateral margins nearly parallel, posterior margin bisinuate, anterior angles feebly emarginate, posterior angles nearly rectangular.</p><p>Elytra 1.6 times longer than wide, ca. 2.4 times longer than pronotum, with lateral margins feebly sinuate, sutural margins feebly bisinuate and moderately dehiscent from the basal 1 / 3 part, distance between sutural margins as wide as apical width of an elytron, apices subrounded.</p><p>Pro- and metathoracic legs slender and simple (Fig. 12 A); mesotrochanters each with a small and acute tooth at apex (Fig. 12 A), mesofemora (Fig. 12 A) moderately swollen and smooth ventrally, without any tooth, mesotibiae each with an unciform process at apex (Fig. 6 E).</p><p>Terminal abdominal tergite (Fig. 13 A, C) ca. 1.2 times longer than wide, with postero-lateral projections very stout and short, ca. 1 / 8 length of the tergite, nearly straight at inner margins, and slightly arcuate at outer margins (Fig. 13 C). Proctiger (Fig. 13 C) peach-shaped and sclerotised apically, completely surrounded by paraproct; paraproct (Fig. 13 C) weakly developed and tubular, feebly shrunk apically, hardly emarginate in middle of dorso-posterior margin, tergal flange weakly sclerotised, expanded at base and narrowly protruding apically.</p><p>Terminal abdominal ventrite (Fig. 13 E) trilobed, ca. 1.2 times as long as wide, fissured in middle of apical 3 / 4 part, with lateral lobes moderately diverging posteriorly and sinuate at inner margins, arcuately ridged near inner margins, moderately arcuate at outer margins, rounded at apices.</p><p>Abdominal sternite IX (Fig. 8 E) weakly sclerotised and narrowed posteriorly, ca. 1.5 times longer than wide, with posterior margin truncate, posterior right angle rectangular and left angle widely rounded, anterior left angle small beak-shaped and right angle strongly protruding anteriorly.</p><p>Aedeagus (Fig. 14 A ‒ D): right paramere slender and cylindrical, acute at apex (Fig. 14 A, D); left paramere feebly bent in middle (Fig. 14 B, C), compressed laterally at apical half part and coarsely hooked at apex (Fig. 14 A, D), approximately twice longer than right paramere (Fig. 14 A, D); setifore extension developed and weakly sclerotised, 1 / 3 length of left paramere (Fig. 14 A, D); median lobe as long as tegmen, progressively narrowed basally (Fig. 14 A, D).</p><p>Female (Fig. 12 B). Similar to males, but body larger, eyes less protruding, mesothoracic legs slender and simple, elytra with narrower longitudinal black stripes; terminal abdominal tergite (Fig. 13 B, D) ca. 1.2 times longer than wide, with postero-lateral projections ca. 1 / 4 length of the tergite; terminal abdominal ventrite (Fig. 13 F) ca. 1.2 times as long as wide, widest near middle, rounded at lateral and posterior margins and confluent with latero-apical angles. Internal organ of the reproductive system (Fig. 10 B): bursa copulatrix tube-shaped at apex; accessory gland even in width at apical half part.</p><p>Distribution.</p><p>China (new record: Yunnan), Vietnam.</p></div>	https://treatment.plazi.org/id/26387D125C185E17BEF8BE2AE6D792E2	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
E4CE11C94D0A583EB0CC6AFA73804316.text	E4CE11C94D0A583EB0CC6AFA73804316.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus cleriformis Y. Yang, Lin & Liu 2025	<div><p>Ichthyurus cleriformis Y. Yang, Lin &amp; Liu sp. nov.</p><p>Figs 8 G, 10 E, 16 C ‒ D, 18 E ‒ H, 19</p><p>Type material.</p><p>Holotype. Laos • ♂ (MHBU), “ Laos, Vientiane, Phone Thong, Hin Herp, 212 m alt., 28. VI. 2015, Haoyu Liu leg. ”</p><p>Paratypes. Laos • 17 ♂♂ 6 ♀♀ (MHBU), “ Phoukhao, NationBio, 29. VI. 2015, Haoyu Liu leg. ” . China, Yunnan • 1 ♀ (NWAFU), Mengyang, 750 m alt., 6. VI. 1991, Yinglun Wang &amp; Ruigang Tian leg.</p><p>Differential diagnosis.</p><p>This species can be attributed to the I. bourgeoisi group by the terminal abdominal tergite of male with postero-lateral projections excavated ventrally and arcuately, delimited with edges, which are keeled and hooked terminally (Fig. 19 A, C vs. Lin et al. (2024 a): figs 10 A ‒ D, 14 A, B), but it can be easily distinguished from other members by the body coloration (Fig. 16 C, D vs. Lin et al. (2024 a): figs 9, 13) and details in the shape of terminal abdominal ventrite of male (Fig. 19 E vs. Lin et al. (2024 a): figs 10 E, F, 14 D, E) and female (Fig. 19 F vs. Lin et al. (2024 a): fig. 12 B, D), as well as aedeagus (Fig. 18 E ‒ H vs. Lin et al. (2024 a): figs 11, 15).</p><p>Description.</p><p>Body length (both sexes): 6.9‒7.0 mm (7.0 mm in holotype); body width (both sexes): 1.2‒1.3 mm (1.2 mm in holotype).</p><p>Male (Fig. 16 C). Colouration. Body black, antennomeres I ‒ III yellow, elytra yellowish-orange, with a pair of black rounded markings in middle of disc, legs yellow, except for black tarsi and apical parts of tibiae, abdomen yellow posteriorly and laterally.</p><p>Eyes strongly protruding, interocular distance ca. 0.4 times of the diameter of an eye. Antennae extending to elytral apices, antennomere II ca. 1 / 4 length of I, III ‒ XI subequal in length and ca. 3.0 times longer than II.</p><p>Pronotum 1.3 times wider than long, anterior margin arcuate, lateral margins strongly arcuate, posterior margin strongly bisinuate, anterior angles feebly emarginate, posterior angles nearly rectangular.</p><p>Elytra 1.5 times longer than wide, ca. 2.3 times longer than pronotum, with lateral margins nearly parallel, sutural margins sinuate and moderately dehiscent from the basal 1 / 3 part, distance between sutural margins twice as wide as apical width of an elytron, apices rounded.</p><p>Pro- and mesofemora (Fig. 16 C) slightly swollen, metathoracic legs slender and simple.</p><p>Terminal abdominal tergite (Fig. 19 A, C) ca. 1.5 times longer than wide, with postero-lateral projections ca. 2 / 5 length of the tergite, distinctly arcuate at both inner and outer margins, excavated ventrally and arcuately, delimited with edges, which are keeled and feebly hooked terminally (Fig. 19 A). Proctiger (Fig. 19 C) triangular and evenly sclerotised, completely surrounded by paraproct; paraproct (Fig. 19 C) strongly developed and tubular, feebly shrunk apically, deeply emarginate in middle of dorso-posterior margin, tergal flange (destroyed and missing).</p><p>Terminal abdominal ventrite (Fig. 19 E) inverted trapezoidal, ca. 1.3 times as long as wide, largely and rectangularly emarginate in middle, with middle emargination as deep as 1 / 3 length of the ventrite, outer apical angles rounded at apices, longitudinally and arcuately ridged near middle and on both sides, transversely and arcuately ridged near outer apical angles.</p><p>Abdominal sternite IX (Fig. 8 G) moderately sclerotised and subparallel-sided, ca. 3.0 times longer than wide, with posterior margin obliquely truncate, posterior right angle narrowly triangular and left angle widely triangular, anterior left angle small beak-shaped and right angle strongly protruding anteriorly, moderately expanded and boot-shaped at apex.</p><p>Aedeagus (Fig. 18 E ‒ H): right paramere dorso-ventrally flattened, feebly bent, obtuse beak-like at apex (Fig. 18 E, H), approximately twice as long as wide; left paramere dorso-ventrally flattened, bifurcate near apex, with inner branch acute at apex and much longer than outer one, feebly shorter than right paramere (Fig. 18 F, G); setifore extension strongly sclerotised, stout and short, 1 / 3 length of left paramere (Fig. 18 E ‒ G); median lobe 3.0 times as long as tegmen, strongly narrowed basally (Fig. 18 E, H).</p><p>Female (Fig. 16 D). Similar to males, but body larger, eyes less protruding; terminal abdominal tergite (Fig. 19 B, D) ca. 1.2 times longer than wide, with postero-lateral projections ca. 2 / 5 length of the tergite; terminal abdominal ventrite (Fig. 19 F) unevenly sclerotised and weaker on both sides, ca. 1.2 times as long as wide, widest near middle, rounded at lateral margins and confluent with outer apical angles, shallowly and roundly emarginate in middle of posterior margin. Internal organ of the reproductive system (Fig. 10 E): bursa copulatrix tail-shaped at apex; accessory gland even in width at apical half part.</p><p>Etymology.</p><p>The specific name is derived from the Latin - formis (- like), referring to its similarity to some Cleridae species in the appearance.</p><p>Distribution.</p><p>China (Yunnan), Laos.</p></div>	https://treatment.plazi.org/id/E4CE11C94D0A583EB0CC6AFA73804316	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
EAE1BB903A4153C8AED2A817F45662EC.text	EAE1BB903A4153C8AED2A817F45662EC.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus davidi Gestro 1892	<div><p>Ichthyurus davidi Gestro, 1892</p><p>Figs 1 C ‒ D, 3 E ‒ H, 4, 8 B</p><p>Ichthyurus davidi Gestro, 1892: 1038.</p><p>Type material examined.</p><p>Holotype • 1 ♀ (MGI), [h] “ Kian-si / A. David / D. oberth ”, [h] “ Davidii / Gestro ”, [p] “ Typus ”.</p><p>Additional material examined.</p><p>China, Anhui • 2 ♂♂ 1 ♀ (IZAS), Jinzhai, Qingshan, 3‒7. VI. 2009, Zhishu Xiao leg. Fujian • 1 ♂ (IZAS), Chongan, Xingcun, 900‒1000 m alt., 7. VII. 1960, Yiran Zhang leg. • 2 ♂♂ (IZAS), Chongan, Xingcun, Guadun, 950‒1210 m alt., 12. VI. 1960, Yong Zuo leg. • 1 ♂ (IZAS), Chongan, Xingcun, Guadun, 1000‒1200 m alt., 2. VI. 1960, Shengqiao Jiang leg. • 1 ♂ 1 ♀ (IZAS), Wuyishan, Tongmu, Qiliqiao, 818 m alt., 23. V. 2018, Yuanyuan Lu &amp; Yandong Chen leg. • 1 ♂ (MHBU), Wuyishan, 5. VII. 2003, Ming Bai &amp; Guodong Ren leg. • 1 ♂ (IZAS), “ Guihe Vill Meihua Mt. Fujian Prov. alt. 1200 m, 4 - VI- 2007, HUANG &amp; XU leg. ” • 1 ♀ (IZAS), Chongan, Xingcun, Guadun, 1140 m alt., 2. VII. 1960, Fuji Pu leg. • 1 ♀ (IZAS), Chongan, Xingcun, Sangang, 740‒900 m alt., 7. VII. 1960, Yiran Zhang leg. • 1 ♀ (IZAS), Jianyang, Huangkeng, 900‒1170 m alt., 5. VII. 1960, Fuji Pu leg. Guangxi • 1 ♂ 1 ♀ (IZAS), Longsheng, Huaping, 1420 m alt., 20. VI. 1963, Chunguang Wang leg. • 1 ♂ (IZAS), Longsheng, Huaping, 1420 m alt., 22. VI. 1963, Shuyong Wang leg. • 1 ♂ 1 ♀ (IZAS), Longsheng, Neicujiang, 840 m alt., 6‒7. VI. 1963, Shuyong Wang leg. • 1 ♂ (IZAS), Longsheng, Hongtan, 900 m alt., 14. VI. 1963, Shuyong Wang leg. • 1 ♂ (IZAS), Longsheng, Hongmaochong, 900 m alt., 10. VI. 1963, Chunguang Wang leg. • 2 ♀♀ (IZAS), Longsheng, Baiyan, 1150 m alt., 19‒20. VI. 1963, Shuyong Wang leg. Guangdong • 4 ♂♂ (MHBU), Nanling, 20 - V- 2021, Younan Wang leg.</p><p>Re-description.</p><p>Body length (both sexes): 7.4‒8.0 mm; body width (both sexes): 1.5‒1.6 mm.</p><p>Male (Fig. 1 C). Colouration. Body black, head yellow before antennal sockets, antennomeres I ‒ III yellow, prosternum yellow, pronotum yellow with a large nearly square black marking in middle of disc, scutellum yellow, elytra yellow around bases including humeri and at apices, legs yellow at trochanters and basal 1 / 3 parts of profemora, 1 / 2 parts of mesofemora and 2 / 3 parts of metafemora, abdomen yellow posteriorly and laterally.</p><p>Eyes large, interocular distance approximately half of the diameter of an eye. Antennae reaching elytral apex, antennomere II ca. 1 / 4 length of I, III ‒ XI subequal in length and ca. 3.0 times longer than II.</p><p>Pronotum 1.2 times as wide as long, anterior margin arcuate, lateral margins parallel, posterior margin bisinuate, anterior angles truncate, posterior angles nearly rectangular.</p><p>Elytra 1.5 times longer than wide, ca. 2.3 times longer than pronotum, with lateral margins nearly straight, sutural margins nearly straight and slightly dehiscent from the basal 1 / 4 part, distance between sutural margins as wide as apical width of an elytron, apices rounded.</p><p>Pro- and meta-thoracic legs slender and simple (Fig. 1 C); mesotrochanter (Fig. 4 A) projecting, with an obtuse apical tooth, mesofemora (Fig. 4 A) strongly swollen, 2.5 times longer than wide, without any tooth ventrally, mesotibiae (Fig. 4 A) slightly dilated in middle, each with a finger-like process at apex.</p><p>Terminal abdominal tergite (Fig. 4 C) ca. 1.5 times longer than wide, with postero-lateral projections ca. 1 / 4 length of the tergite, feebly arcuate at inner margins, moderately arcuate at outer margins. Proctiger (Fig. 4 C) peach-shaped and evenly sclerotised, surrounded by paraproct; paraproct (Fig. 4 C) strongly developed and tubular, feebly shrunk apically, nearly straight at dorso-posterior margin, tergal flange (destroyed and missing).</p><p>Terminal abdominal ventrite (Fig. 4 E) trilobed, nearly as long as wide, fissured in middle of apical 1 / 3 part, with lateral lobes nearly straight and diverging posteriorly at inner margins, arcuate at outer margins, rounded at outer apical angles, acute at inner apical angles, triangularly emarginate at posterior margins.</p><p>Abdominal sternite IX (Fig. 8 B) moderately sclerotised and subparallel-sided, approximately twice longer than wide, with posterior margin obliquely truncate, posterior right angles rectangular and left angles widely rounded, anterior left angle small beak-shaped and right angle strongly protruding anteriorly, slightly expanded and rounded at apex.</p><p>Aedeagus (Fig. 3 E ‒ H): right paramere short and snail-shaped, acute at apex, as long as wide (Fig. 3 E, H); left paramere largely hooked at apex (Fig. 3 F, G), almost vertically stepped near apical 1 / 3 part of outer side (Fig. 3 E, H), ca. 3.0 times longer than right paramere; setifore extension developed and moderately sclerotised, ca. 1 / 3 length of left paramere (Fig. 3 F, G); median lobe ca. 1.5 times longer than tegmen, progressively narrowed basally (Fig. 3 E, H).</p><p>Female (Fig. 1 D). Similar to males, but body larger, eyes less protruding, legs yellow at basal 1 / 2 parts of pro- and metafemora, mesothoracic legs slender and simple; terminal abdominal tergite (Fig. 4 D) ca. 1.3 times longer than wide, with postero-lateral projections ca. 1 / 3 length of the tergite; terminal abdominal ventrite (Fig. 4 F) nearly as long as wide, widest near middle, rounded at lateral margins and confluent with outer apical angles, shallowly and roundly emarginate in middle of posterior margin.</p><p>Distribution.</p><p>China (Jiangxi, Anhui, Fujian, Guangxi, Guangdong).</p></div>	https://treatment.plazi.org/id/EAE1BB903A4153C8AED2A817F45662EC	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
0A06C8447B1E531887EA3805626025B5.text	0A06C8447B1E531887EA3805626025B5.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus laniger Gestro 1891	<div><p>Ichthyurus laniger Gestro, 1891</p><p>Figs 5 C ‒ D, 6 B ‒ D, 8 D, 9 E ‒ H, 11</p><p>Ichthyurus laniger Gestro, 1891: 581, fig. 42, 1906 b: 272, fig. 15.</p><p>Type material examined.</p><p>Holotype • 1 ♂ (MGI), [p] “ Carin Chebà / 900–1100 m alt. / L. Fea V XIII- 88 ”, [h] “ laniger / Gestro ”, [p] “ TYPUS ”.</p><p>Additional material examined.</p><p>China, Yunnan • 1 ♂ (IZAS), Xishuangbanna, Yunjinghong, 910 m alt., 25. VI. 1958, Yiran Zhang leg. • 2 ♂♂ (IZAS), Xishuangbanna, Menga, 800 m alt., 1. VI. 1958, Shuyong Wang leg. • 1 ♂ (IZAS), Xishuangbanna, Menghun, 550‒950 m alt., 6. VI. 1958, Chunpei Hong leg. • 1 ♂ 1 ♀ (NWAFU), Xishuangbanna, Menghai, 1160 m alt., 27. V. 1974, Yao Zhou &amp; Feng Yuan leg. • 1 ♀ (MHBU), Lancang, Fubang, Saihan, 1066 m alt., 17. VII. 2017, Zhen Zhou &amp; Xiaolong Luo leg. • 1 ♀ (MHBU), same locality as the preceding, 1066 m alt., 17. VII. 2017, Jianfeng Liang, Chengcong Yu leg.</p><p>Re-description.</p><p>Body length (both sexes): 9.2‒9.5 mm; body width (both sexes): 1.5‒1.6 mm.</p><p>Male (Fig. 5 C). Colouration. Body yellow, head with a transverse black marking on vertex, antennae black, except for yellow antennomeres I ‒ III; pronotum with a pair of black markings on both sides of disc; elytra with a pair of longitudinal black stripes along lateral margins, except for humeri, as well as a pair of obscure black markings on basal parts of disc; leg black at terminal pro- and mesotarsomeres, as well as meta-tarsi and tibiae; abdomen black, narrowly yellow at anterior and lateral margins.</p><p>Eyes strongly protruding, interocular distance ca. 0.4 times of the diameter of an eye. Antennae extending to abdominal tergite III, antennomere II ca. 1 / 4 length of I, III ‒ XI subequal in length and ca. 3.0 times longer than II.</p><p>Pronotum 1.1 times wider than long, anterior margin arcuate, lateral margins nearly parallel, posterior margin bisinuate, anterior angles feebly emarginate, posterior angles nearly rectangular.</p><p>Elytra 1.7 times longer than wide, ca. 3.0 times longer than pronotum, with lateral margins feebly sinuate, sutural margins distinctly bisinuate and strongly dehiscent from the basal 1 / 3 part, distance between sutural margins twice as wide as apical width of an elytron, apices rounded.</p><p>Profemora slender and feebly swollen (Fig. 6 B), protibiae feebly dilated apically, emarginate near inner apical angles, protarsomeres I widened and lengthened, ca. 5.0 times as long as II; mesotrochanters elongate and obliquely attaching to femora, mesofemora (Fig. 6 D) strongly swollen at basal half part, distinctly angled at basal 1 / 3 portion, arcuately excavated along apical 2 / 3 part of ventral side, mesotibiae longitudinally ridged laterally, evenly dilated along whole length, mesotarsomeres I distinctly lengthened, ca. 4.0 times longer than II; metafemora moderately swollen (Fig. 5 C), metatibiae and metatarsomeres I (Fig. 6 C) progressively dilated apically and ridged laterally, densely covered with long hairs, metatarsomere I and II distinctly lengthened and subequal in length.</p><p>Terminal abdominal tergite (Figs 11 A, C) densely covered with longer pubescence on surface, ca. 1.5 times longer than wide, with postero-lateral projections stout and ca. 1 / 3 length of the tergite, feebly arcuate at inner and outer margins (Fig. 11 C). Proctiger (Fig. 11 C) peach-shaped and evenly sclerotised, completely surrounded by paraproct; paraproct (Fig. 11 C) strongly developed and tubular, feebly shrunk apically, hardly emarginate in middle of dorso-posterior margin, tergal flange weakly sclerotised, expanded at base and narrowly protruding apically.</p><p>Terminal abdominal ventrite (Fig. 11 E) trilobed, ca. 1.1 times as long as wide, fissured in middle of apical 3 / 4 part, with lateral lobes moderately diverging posteriorly and nearly straight at inner margins, bisinuately ridged near inner margins, outer margins feebly sinuate, rounded at both inner and outer apical angles, truncate at posterior margins.</p><p>Abdominal sternite IX (Fig. 8 D) weakly sclerotised and subparallel-sided, ca. 2.8 times longer than wide, with posterior margin obliquely truncate, posterior right and left angles nearly rectangular, anterior left angle small beak-shaped and right angle strongly protruding anteriorly, strongly expanded and rounded at apex.</p><p>Aedeagus (Fig. 9 E ‒ H): right paramere elongate and conical, abruptly thinned apically, ca. 3.0 times longer than wide; left paramere nearly straight and hooked at apex (Fig. 9 F ‒ H), almost vertically stepped near apical 1 / 3 part of outer side (Fig. 9 E, H), approximately twice longer than right paramere; setifore extension weakly developed, very short and stout (Fig. 9 G); median lobe 1.5 times longer than tegmen, progressively narrowed basally (Fig. 9 A, D).</p><p>Female (Fig. 5 D). Similar to males, but body larger, eyes less protruding, all thoracic legs slender and simple, black at all tibiae and tarsi, as well as basal parts of femora; elytra without any black markings on basal parts of disc; terminal abdominal tergite (Fig. 11 B, D) never covered with any longer pubescence on surface, ca. 1.5 times longer than wide, with postero-lateral projections ca. 2 / 5 length of the tergite; terminal abdominal ventrite (Fig. 11 F) ca. 1.2 times as long as wide, widest near middle, rounded at lateral margins and confluent with latero-apical angles, feebly roundly protuberant in middle of posterior margin.</p><p>Distribution.</p><p>China (new record: Yunnan), Myanmar.</p></div>	https://treatment.plazi.org/id/0A06C8447B1E531887EA3805626025B5	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
294A6A455E835D6EA0602C912DABD01D.text	294A6A455E835D6EA0602C912DABD01D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus phungi Pic 1923	<div><p>Ichthyurus phungi Pic, 1923</p><p>Figs 6 F, 8 F, 10 C, 12 C ‒ D, 14 E ‒ H, 15</p><p>Ichthyurus phungi Pic, 1923: 3 .</p><p>Type material examined.</p><p>Holotype • 1 ♀ (MNHN), Hoa Binh / (Tonkin) ”, [h] “ phungi / n. sp. ”, [p] “ HOLOTYPUS ”.</p><p>Additional material examined.</p><p>China. Zhejiang • 1 ♂ 3 ♀♀ (IZAS), “ Mokan Shan, 1‒3. V. 1936, O. PIEL leg. ” .</p><p>Re-description.</p><p>Body length (both sexes): 5.7‒6.5 mm; body width (both sexes): 1.2‒1.3 mm.</p><p>Male (Fig. 12 C). Colouration. Body yellow, head with a black transverse marking on vertex, antennae black, except for yellow antennomeres I ‒ III; pronotum with M-form black markings in middle of disc; elytra with a pair of longitudinal black stripes around humeri and along lateral margins, but not reaching apices; leg black at tarsi and slightly darkened at tibiae; abdomen black, except for yellow at posterior and lateral margins, terminal abdominal tergite with postero-lateral projections black at apices.</p><p>Eyes moderately protruding, interocular distance ca. 0.6 times of the diameter of an eye. Antennae extending to abdominal tergite III, antennomere II ca. 1 / 3 length of I, III ‒ XI subequal in length and approximately twice longer than II.</p><p>Pronotum 1.2 times wider than long, anterior margin slightly arcuate, lateral margins nearly parallel, posterior margin bisinuate, anterior angles feebly emarginate, posterior angles nearly rectangular.</p><p>Elytra 1.5 times longer than wide, ca. 2.6 times longer than pronotum, with lateral margins nearly parallel, sutural margins feebly sinuate and completely dehiscent from base, distance between sutural margins as wide as apical width of an elytron, apices rounded.</p><p>All thoracic legs slender and simple (Fig. 12 C); mesotrochanters (Fig. 6 F) each with a small and acute tooth at apex, mesotarsomeres (Fig. 6 F) I lengthened and ca. 2.2 times longer than II.</p><p>Terminal abdominal tergite (Fig. 15 A, C) ca. 1.2 times longer than wide, with postero-lateral projections ca. 1 / 3 length of the tergite, feebly arcuate at inner and outer margins (Fig. 15 C). Proctiger (Fig. 15 C) peach-shaped and sclerotised apically, completely surrounded by paraproct; paraproct (Fig. 15 C) weakly developed and tubular, feebly shrunk apically, feebly emarginate in middle of dorso-posterior margin, tergal flange weakly sclerotised, expanded at base and narrowly protruding apically.</p><p>Terminal abdominal ventrite (Fig. 15 E) trilobed, ca. 1.5 times as long as wide, fissured in middle of apical 3 / 4 part, with lateral lobes strongly diverging posteriorly and bidentate at inner margins, of which the subapical teeth large and rectangular, while the middle ones small and acute, nearly straight at outer margins, rounded at apices.</p><p>Abdominal sternite IX (Fig. 8 F) weakly sclerotised and subparallel-sided, approximately twice longer than wide, with posterior margin truncate, posterior right angle rectangular and left angle widely rounded, anterior left angle elongate beak-shaped and right angle strongly protruding anteriorly.</p><p>Aedeagus (Fig. 14 E ‒ H): right paramere slender and cylindrical, feebly hooked at apex (Fig. 14 E, H); left paramere straight and cylindrical, rounded at apex (Fig. 14 E, H), feebly longer than right paramere; setifore extension stout and weakly sclerotised, half the length of left paramere (Fig. 14 A, D); median lobe as long as tegmen, progressively narrowed basally (Fig. 14 E, H).</p><p>Female (Fig. 12 D). Similar to males, but body larger, eyes less protruding; terminal abdominal tergite (Fig. 15 B, D) ca. 1.1 times longer than wide, with postero-lateral projections approximately half the length of the tergite, outer margins nearly straight; terminal abdominal ventrite (Fig. 15 F) 1.1 times as wide as long, widest near base, rounded at lateral margins and confluent with outer apical angles, rectangularly protuberant in middle of posterior margin. Internal organ of the reproductive system (Fig. 10 C): bursa copulatrix tail-shaped at apex; accessory gland even in width at apical half part.</p><p>Distribution.</p><p>China (new record: Zhejiang), Vietnam.</p></div>	https://treatment.plazi.org/id/294A6A455E835D6EA0602C912DABD01D	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
D8DC0AEACE935474A22150DC08E5C321.text	D8DC0AEACE935474A22150DC08E5C321.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus platyurus Gestro 1906	<div><p>Ichthyurus platyurus Gestro, 1906</p><p>Figs 5 A, B, 6 A, 7, 8 C, 9 A ‒ D, 10 A</p><p>Ichthyurus platyurus Gestro, 1906 b: 295, figs 18‒20.</p><p>Type material examined.</p><p>Holotype • 1 ♀ (MGI), [h] “ Momeit / Doherty / Mus. Br. 1906 ”, [h] “ platyurus / Gestro ”, [h] “ platyurus / Gestro / typus / 8320 ”, [p] “ Typus ”, [p] “ ♀ ” .</p><p>Additional material examined.</p><p>China. Yunnan • 3 ♀♀ (IZAS), Xishuangbanna, Menga, 800 m alt., 1. VI. 1958, Shuyong Wang leg. • 1 ♀ (IZAS), same locality as the preceding, 1050‒1080 m alt., 4. VIII. 1958, Shuyong Wang leg. • 2 ♀♀ (IZAS), same locality as the preceding, 800 m alt., 1. X. 1958, Zhizi Chen leg. • 1 ♀ (IZAS), Xishuangbanna, Menghun, 750 m alt., 3. VI. 1958, Zhizi Chen leg. • 1 ♀ (IZAS), same locality as the preceding, 1200 m alt., 11. V. 1958, Yiran Zhang leg. • 1 ♂ 2 ♀♀ (NWAFU), Mengyang, 800 m alt., 6. VI. 1991, Yinglun Wang &amp; Ruigang Tian leg.</p><p>Re-description.</p><p>Body length (both sexes): 9.4‒9.9 mm; body width (both sexes): 1.4‒1.6 mm.</p><p>Male (Fig. 5 A). Colouration. Body yellow, head with a black transverse marking on vertex, antennae black, except for yellow antennomeres I ‒ III; pronotum with a median transverse black band; elytra with a pair of longitudinal black stripes along lateral margins, except for humeri; leg black at apical 1 / 3 parts of pro- and mesofemora, and 1 / 5 parts of metafemora, as well as all tibiae and tarsi; abdomen black ventrally and laterally, terminal abdominal tergite with postero-lateral projections black along basal parts of outer margins, whole length of inner margins and apices, as well as a pair of black bar-like markings at basal parts of dorsal sides.</p><p>Eyes strongly protruding, interocular distance ca. 0.7 times of the diameter of an eye. Antennae extending to elytral apices, antennomere II ca. 1 / 4 length of I, III ‒ XI subequal in length and ca. 3.0 times longer than II.</p><p>Pronotum 1.1 times wider than long, anterior margin rounded, lateral margins diverging posteriorly, posterior margin bisinuate, anterior angles confluent with anterior and lateral margins, posterior angles nearly rectangular.</p><p>Elytra 1.7 times longer than wide, ca. 2.9 times longer than pronotum, with lateral margins near straight, sutural margins distinctly sinuate and strongly dehiscent from the basal 1 / 3 part, distance between sutural margins twice as wide as apical width of an elytron, apices rounded.</p><p>Pro- and meta-thoracic legs slender and simple (Fig. 5 A, B); mesotrochanters (Fig. 6 A) projecting, each with a cylindrical apical tooth; mesofemora (Fig. 6 A) strongly swollen, twice longer than wide, each with a large and sharp tooth in middle of ventral side, excavated at ventro-apical half part, where covered with very short and stout setae on surface, mesotibiae (Fig. 6 A) longitudinally ridged laterally, each with a shape tooth in middle, which opposite to the femoral tooth, mesotarsomere I lengthened and ca. 3.0 times longer than II.</p><p>Terminal abdominal tergite (Fig. 7 A, C) ca. 4.0 times longer than wide, with postero-lateral projections dorso-ventrally flattened, ca. 5 / 7 length of the tergite, nearly straight at both inner and outer margins, feebly protruding posteriorly at apex (Fig. 7 C). Proctiger (Fig. 7 C) peach-shaped and sclerotised laterally, completely surrounded by paraproct; paraproct (Fig. 7 C) moderately developed and tubular, feebly shrunk apically, shallowly emarginate in middle of dorso-posterior margin, tergal flange weakly sclerotised.</p><p>Terminal abdominal ventrite (Fig. 7 E) trilobed, nearly as long as wide, fissured in middle of apical half part, with lateral lobes nearly straight and moderately diverging posteriorly at inner margins, feebly arcuate at outer margins, widely rectangular at inner apical angles, rounded at outer apical angles, sinuate at posterior margins.</p><p>Abdominal sternite IX (Fig. 8 C) weakly sclerotised and narrowed posteriorly, ca. 2.6 times longer than wide, with posterior margin rounded, posterior right and left angles rounded, anterior left angle small beak-shaped and right angle strongly protruding anteriorly, moderately expanded and rounded at apex.</p><p>Aedeagus (Fig. 9 A ‒ D): right paramere slender and cylindrical, rounded at apex (Fig. 9 A, D); left paramere bent in middle (Fig. 9 B, C) and hooked at apex (Fig. 9 A, D), almost vertically stepped near apical 1 / 3 part of outer side (Fig. 9 A, D), approximately twice longer than right paramere; setifore extension developed and moderately sclerotised, swollen at apex, half the length of left paramere (Fig. 9 B, C); median lobe slightly longer than tegmen, widely rounded at apex (Fig. 9 A, D).</p><p>Female (Fig. 5 B). Similar to males, but body larger, eyes less protruding, legs black at apical 1 / 3 parts of mesofemora and 2 / 3 parts of metafemora, profemora uniformly yellow, mesothoracic legs slender and simple; terminal abdominal tergite (Fig. 7 B, D) uniformly black, ca. 1.3 times longer than wide, with postero-lateral projections never flattened, approximately half length of the tergite; terminal abdominal ventrite (Fig. 7 F) ca. 1.2 times as long as wide, widest near middle, rounded at lateral margins and confluent with outer apical angles, feebly roundly protuberant in middle of posterior margin. Internal organ of the reproductive system (Fig. 10 A): bursa copulatrix elongate tube-shaped at apex; accessory gland even in width at apical half part.</p><p>Distribution.</p><p>China (new record: Yunnan), Myanmar.</p></div>	https://treatment.plazi.org/id/D8DC0AEACE935474A22150DC08E5C321	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
842722E220A8594380AD1FFDC9729C8C.text	842722E220A8594380AD1FFDC9729C8C.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus senensis Pic 1926	<div><p>Ichthyurus senensis Pic, 1926</p><p>Figs 1 A, B, 2, 3 A ‒ D, 8 A</p><p>Ichthyurus senensis Pic, 1926: 5.</p><p>Type material examined.</p><p>Holotype • 1 ♀ (MNHN), [h] “ yunnan / Chine ”, [h] “ senensis / n. sp. ”, [p] “ HOLOTYPE ”.</p><p>Additional material examined.</p><p>China, Yunnan • 2 ♂♂ 1 ♀ (MHBU), Puer, Muchang, 17. VII. 2021, Tong Liu leg. • 1 ♂ (MHBU), Dali, Jizu Mountains, 25. VI. 2022, Younan Wang leg.</p><p>Re-description.</p><p>Body length (both sexes): 7.7‒10.2 mm; body width (both sexes): 1.6‒1.7 mm.</p><p>Male (Fig. 1 A). Colouration. Body black, head yellow before antennal sockets, scape and pedicle yellow ventrally, prosternum yellow, pronotum yellow with a large irregular black marking extending to anterior and posterior margins, scutellum yellow, elytra yellow at humeri and along suture, the yellow stripes paler and wider at basal parts and near apices, legs yellow at basal 1 / 4 parts of profemora, 1 / 2 parts of mesofemora and 3 / 4 parts of metafemora, protibiae yellow at ventro-apical 3 / 4 parts, abdominal segments narrowly yellow at posterior margins.</p><p>Eyes large, interocular distance ca. 0.6 times of the diameter of an eye. Antennae reaching to posterior margin of abdominal tergite II, antennomere II ca. 1 / 4 length of I, III ‒ XI subequal in length and ca. 3.0 times longer than II.</p><p>Pronotum 1.1 times wider than long, anterior margin arcuate, lateral margins feebly diverging posteriorly, posterior margin bisinuate, anterior angles subrounded, posterior angles nearly rectangular.</p><p>Elytra 1.5 times longer than wide, ca. 2.6 times longer than pronotum, with lateral margins nearly straight, sutural margins nearly straight and slightly dehiscent from base, distance between sutural margins feebly wider than apical width of an elytron, apices subrounded.</p><p>Profemora (Fig. 2 A) slightly swollen in middle, protibiae (Fig. 2 A) shallowly excavated on inner apical side, protarsomeres I projecting anteriorly and beneath II (Fig. 2 A); mesotrochanters (Fig. 2 B) without any tooth, mesofemora (Fig. 2 B) slightly swollen, 3.5 times longer than wide, mesotibiae (Fig. 2 B) each with a spine-like process at apex; meta-thoracic legs slender and simple (Fig. 1 A, B).</p><p>Terminal abdominal tergite (Fig. 2 C) ca. 1.5 times longer than wide, with postero-lateral projections ca. 2 / 5 length of the tergite, feebly arcuate at inner margins, distinctly arcuate at outer margins. Proctiger (Fig. 2 C) peach-shaped and evenly sclerotised, completely surrounded by paraproct; paraproct (Fig. 2 C) strongly developed and tubular, feebly shrunk apically, shallowly emarginate in dorso-posterior margin, tergal flange weakly sclerotised, strongly expanded at base and narrowly protruding apically.</p><p>Terminal abdominal ventrite (Fig. 2 E) trilobed, approximately twice as wide as long, fissured in middle of apical half part, with lateral lobes feebly diverging posteriorly and nearly straight at both inner and outer margins, sinuate at posterior margins, acute at outer apical angles, rectangular at inner apical angles.</p><p>Abdominal sternite IX (Fig. 8 A) moderately sclerotised and subparallel-sided, ca. 2.4 times longer than wide, with posterior margin obliquely truncate, posterior right angles subrounded and left angles widely triangular, anterior left angle stout beak-shaped and right angle strongly protruding anteriorly, slightly expanded and rounded at apex.</p><p>Aedeagus (Fig. 3 A ‒ D): right paramere dorso-ventrally flattened, tapered apically, 1.5 times as long as wide; left paramere elongate and conical, nearly straight, approximately twice longer than right paramere, rounded at apex, covered with some short setae on dorsal side (Fig. 3 B); setifore extension developed and moderately sclerotised, 1 / 3 length of left paramere (Fig. 3 B, C); median lobe 1.5 times longer than parameres, progressively narrowed basally (Fig. 3 A, D).</p><p>Female (Fig. 1 B). Similar to males, but body larger, scape and pedicle uniformly black, eyes less protruding, legs yellow at basal 1 / 4 parts of pro- and meso-femora, metafemora uniformly black, protibiae yellow at ventro-apical 1 / 4 parts, pro- and mesothoracic legs slender and simple; terminal abdominal tergite (Fig. 2 D) ca. 1.3 times longer than wide, with postero-lateral projections ca. 1 / 3 length of the tergite; terminal abdominal ventrite (Fig. 2 F) nearly as long as wide, widest at apical part, rounded at latero-apical angles, arcuate at lateral margins, feebly emarginate in middle of posterior margin.</p><p>Distribution.</p><p>China (Yunnan).</p></div>	https://treatment.plazi.org/id/842722E220A8594380AD1FFDC9729C8C	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
4A605C2F475E5DFAABDF7A8DEEE0054F.text	4A605C2F475E5DFAABDF7A8DEEE0054F.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus senensomimus Y. Yang, Lin & X. Yang 2025	<div><p>Ichthyurus senensomimus Y. Yang, Lin &amp; X. Yang sp. nov.</p><p>Figs 6 H ‒ I, 8 I, 10 F, 20 C ‒ D, 22 E ‒ H, 23</p><p>Type material.</p><p>Holotype. China. Yunnan • ♂ (IZAS), Yongsheng, Liude, 2240 m alt., 18. VII. 1984, Shuyong Wang leg.</p><p>Paratypes. China. Yunnan • 1 ♂ 1 ♀ (IZAS), same locality as holotype, 2230 m alt., 8. VII. 1984, Jianguo Fan leg.</p><p>Differential diagnosis.</p><p>This species could be distinguished from all others of Ichthyurus by combination of the following characters: body colouration (Fig. 20 C, D), moderately swollen profemora in male (Fig. 6 H), shape of terminal abdominal ventrite of male (Fig. 23 C) and female (Fig. 23 D), as well as aedeagus (Fig. 22 E ‒ H).</p><p>This species looks similar to I. senensis in the body coloration (Fig. 20 C, D vs. Fig. 1 A, B), but differs in the shapes of terminal abdominal ventrite of male (Fig. 2 E vs. Fig. 23 C) and female (Fig. 2 F vs. Fig. 23 D), as well as aedeagus (Fig. 3 A ‒ D vs. Fig. 22 E ‒ H). Additionally, it resembles I. longulus Y. Yang, Lin &amp; Liu, 2024 in the general shapes of terminal abdominal ventrites of both male (Fig. 23 C vs. Lin et al. (2024 b): fig. 2 D) and female (Fig. 23 D vs. Lin et al. (2024 b): fig. 2 F), but it can be distinguished from the latter in the bicoloured elytra, mixed black with yellow (Fig. 20 C, D) (elytra uniformly black in I. longulus; Lin et al. (2024 b): fig. 1); profemora moderately swollen in male (Fig. 20 C) (slender in I. longulus; Lin et al. (2024 b): fig. 1); terminal abdominal ventrites of both sexes with stouter and shorter postero-lateral projections (Fig. 21 A, B) (very slender and long in I. longulus; Lin et al. (2024 b): fig. 2 A ‒ C); aedeagus: setifore extension reduced and invisible (Fig. 22 F) (well-developed and as long as parameres in I. longulus; Lin et al. (2024 b): fig. 3).</p><p>Description.</p><p>Body length (both sexes): 7.3‒7.7 mm (7.3 mm in holotype); body width (both sexes): 1.5 mm (1.5 mm in holotype).</p><p>Male (Fig. 20 C). Colouration. Body black, head yellow before antennal sockets, antennomeres I ‒ III yellow, prosternum yellow, pronotum yellow with a large black marking extending to all margins, except for yellow at posterior angles and middle semicircular regions near to posterior margin, scutellum yellow, elytra yellow along suture, the yellow stripe wider near apices, abdomen yellow posteriorly and laterally.</p><p>Eyes strongly protruding, interocular distance ca. 0.6 times of the diameter of an eye. Antennae extending to elytral apex, antennomere II ca. 1 / 3 length of I, III ‒ XI subequal in length and ca. 1.5 times longer than II.</p><p>Pronotum 1.3 times wider than long, anterior margin arcuate, lateraly margins arcuate, posterior margin slightly bisinuate, anterior angles feebly emarginate, posterior angles nearly rectangular.</p><p>Elytra 1.4 times longer than wide, approximately twice longer than pronotum, with lateral margins slightly sinuate, sutural margins sinuate and moderately dehiscent from the base, distance between sutural margins twice as wide as apical width of an elytron, apices rounded.</p><p>Profemora (Fig. 6 H) strongly swollen, fluent ventrally, without any tooth, 2.4 times longer than wide; mesotrochanter (Fig. 6 I) with an acute apical tooth, mesofemora (Fig. 6 I) moderately swollen, fluent ventrally, without any tooth; metathoracic legs slender and simple (Fig. 20 C).</p><p>Terminal abdominal tergite (Fig. 23 A) ca. 1.5 times longer than wide, with postero-lateral projections ca. 1 / 3 length of the tergite, nearly straight at inner margins, moderately arcuate at outer margins. Proctiger (Fig. 23 A) bilobed and laterally sclerotised, semi-surrounded by paraproct; paraproct (Fig. 23 A) strongly developed and tubular, feebly shrunk apically, rounded at dorso-posterior margin, tergal flange (destroyed and missing).</p><p>Terminal abdominal ventrite (Fig. 23 C) trilobed, ca. 1.4 times as long as wide, fissured in middle of apical 4 / 5 part, with lateral lobes diverging posteriorly and rectangularly protuberant in middle of inner margins, the protuberances very acute at apices, arcuate at outer margins, rectangular at inner apical angles, narrowly rounded and feebly projecting at outer apical angles, truncate at posterior margins.</p><p>Abdominal sternite IX (Fig. 8 I) moderately sclerotised and narrowed posteriorly, ca. 2.4 times longer than wide, with posterior margin obliquely truncate and confluent with posterior left angle, posterior right angle rectangular, anterior left angle stout beak-shaped and right angle strongly protruding anteriorly, moderately expanded and triangular at apex.</p><p>Aedeagus (Fig. 22 E ‒ H): right paramere stout, abruptly stepped near apical 1 / 4 part of outer side, acute at apex (Fig. 22 E ‒ H); left paramere bent near base and horn-shaped, acute at apex, nearly as long as right paramere (Fig. 22 E, H); setifore extension reduced and almost invisible (Fig. 22 F); median lobe ca. 1.5 times as long as tegmen, progressively narrowed basally (Fig. 22 E, H).</p><p>Female (Fig. 20 D). Similar to males, but body larger and longer, eyes less protruding, pro- and meso-thoracic legs slender and simple, antennomeres I ‒ III black, pronotum with black marking not extending to anterior margin and anterior angles; terminal abdominal tergite (Fig. 23 B) ca. 1.1 times longer than wide, with postero-lateral projections ca. 1 / 3 length of the tergite; terminal abdominal ventrite (Fig. 23 D) ca. 1.1 times as long as wide, widest near middle, rounded at lateral margins and confluent with outer apical angles, with a pair of small and triangular protuberances on both sides of posterior margin. Internal organ of the reproductive system (Fig. 10 F): bursa copulatrix elongate tube-shaped at apex; accessory gland expanded at apical half part.</p><p>Etymology.</p><p>The specific name is derived from the Latin word - mimus (imitate), refers to its similarity to senensis.</p><p>Distribution.</p><p>China (Yunnan).</p></div>	https://treatment.plazi.org/id/4A605C2F475E5DFAABDF7A8DEEE0054F	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
6EF53A7ED3E65D5C814C62CDC6AA4E66.text	6EF53A7ED3E65D5C814C62CDC6AA4E66.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus simplus Y. Yang, Lin & Liu 2025	<div><p>Ichthyurus simplus Y. Yang, Lin &amp; Liu sp. nov.</p><p>Figs 8 H, 20 A, B, 21, 22 A ‒ D</p><p>Type material.</p><p>Holotype. China. Guangxi • ♂ (MHBU), Guanyang, Taizishan, Zhupoling, 6. V. 2021, Junbo Tong leg.</p><p>Paratype. China. Guangxi • 1 ♀ (MHBU), same data as holotype .</p><p>Differential diagnosis.</p><p>This species could be distinguished from all others of Ichthyurus by combination of the following characters in the shape of terminal abdominal ventrite in male (Fig. 21 C) and female (Fig. 21 D), as well as the structure of aedeagus (Fig. 21 A ‒ D), particularly in the characteristic proctiger and paraproct (Fig. 21 E, F).</p><p>Description.</p><p>Body length (both sexes): 10.7‒11.2 mm (11.2 mm in holotype); body width (both sexes): 1.7‒1.9 mm (1.9 mm in holotype).</p><p>Male (Fig. 20 A). Colouration. Body black, prosternum yellow, pronotum yellow at posterior angles, scutellum yellow, elytra narrowly yellow along basal part of suture, legs yellow at basal 2 / 3 parts of femora, abdomen yellow posteriorly and laterally.</p><p>Eyes moderately protruding, interocular distance ca. 0.6 times of the diameter of an eye. Antennomere II ca. 1 / 3 length of I, III ‒ VI subequal in length and ca. 3.0 times longer than II.</p><p>Pronotum 1.1 times wider than long, anterior margin arcuate, lateral margins nearly feebly diverging posteriorly, posterior margin slightly bisinuate, anterior angles confluent with anterior margin, posterior angles nearly rectangular.</p><p>Elytra 1.4 times longer than wide, ca. 2.1 times longer than pronotum, with lateral margins slightly sinuate, sutural margins sinuate and moderately dehiscent from the basal 1 / 3 part, distance between sutural margins twice as wide as apical width of an elytron, apices rounded.</p><p>Pro- and metathoracic legs slender and simple (Fig. 20 A); mesotrochanter (Fig. 20 A) with an inconspicuous apical tooth, mesofemora weakly swollen.</p><p>Terminal abdominal tergite (Fig. 21 A) ca. 1.5 times longer than wide, with postero-lateral projections ca. 1 / 3 length of the tergite, moderately arcuate at inner margins and slightly arcuate at outer margins. Proctiger (Fig. 21 E, F) bilobed and strongly sclerotised, with outer apical angles rounded and inner apical angles protruding and acute, completely surrounded by paraproct; paraproct (Fig. 21 E, F) strongly developed, hexagonal, with lateral margins bordered and extending dorsally into a longitudinal ridge in middle, with a short and conical protrusion in middle of posterior margin, tergal flange weakly sclerotised, expanded at base and narrowly protruding apically.</p><p>Terminal abdominal ventrite (Fig. 21 C) trilobed, approximately twice as wide as long, fissured in middle of apical half part, with lateral lobes generally axe-like, nearly straight at both inner and outer margins, inner apical angles moderately projecting and rounded at apices, outer apical strongly projecting and acute at apices.</p><p>Abdominal sternite IX (Fig. 8 H) moderately sclerotised and subparallel-sided, ca. 1.8 times longer than wide, with posterior margin shallowly emarginate, posterior right and left angles nearly rectangular, anterior left angle small beak-shaped and right angle strongly protruding anteriorly.</p><p>Aedeagus (Fig. 22 A ‒ D): right paramere spine-like, ca. 3.0 times as long as wide (Fig. 22 A, D); left paramere nearly straight and cylindrical, rounded at apex, 3.0 times longer than right paramere (Fig. 22 A ‒ D); setifore extension reduced and almost invisible (Fig. 22 B); median lobe ca. 1.5 times as long as tegmen, even in width along whole length (Fig. 22 A, D).</p><p>Female (Fig. 20 B). Similar to males, but body larger, eyes less protruding, elytra uniformly black, legs yellow at basal 1 / 3 parts of femora; terminal abdominal tergite (Fig. 21 B) ca. 1.1 times longer than wide, with postero-lateral projections ca. 1 / 3 length of the tergite; terminal abdominal ventrite (Fig. 21 D) nearly as long as wide, widest near middle, triangular at latero-apical angles, arcuate at lateral margins, widely and roundly emarginate in middle of posterior margin.</p><p>Etymology.</p><p>The specific name is derived from the Latin word “ simplus ” (simple), referring to its simple aedeagus.</p><p>Distribution.</p><p>China (Guangxi).</p><p>Remarks.</p><p>Antennomeres VII ‒ XI of the holotype and V ‒ XI of the paratype are missing.</p></div>	https://treatment.plazi.org/id/6EF53A7ED3E65D5C814C62CDC6AA4E66	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
8B3F1A6EA0275641B9BACA77827C7C09.text	8B3F1A6EA0275641B9BACA77827C7C09.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Ichthyurus terminalis Y. Yang, Lin & X. Yang 2025	<div><p>Ichthyurus terminalis Y. Yang, Lin &amp; X. Yang sp. nov.</p><p>Figs 6 G, 10 D, 16 A ‒ B, 17, 18 A ‒ D</p><p>Type material.</p><p>Holotype. China. Yunnan • ♂ (IZAS), Xishuangbanna, Damenglong, 650 m alt., 11. VII. 1958, Yiran Zhang leg.</p><p>Paratype. China. Yunnan • 1 ♀ (IZAS), same locality as holotype, 9. VII. 1958, Leyi Zheng leg. • 1 ♀ (IZAS), same locality as holotype, 9. VII. 1958, Chunpei Hong leg.</p><p>Differential diagnosis.</p><p>This species could be easily distinguished from all others of Ichthyurus by the characteristic terminal abdominal sternite VIII (Fig. 17 C) and IX (Fig. 17 F) of male, proctiger and paraproct (Fig. 17 E), as well as structures of aedeagus (Fig. 18 A ‒ D).</p><p>Description.</p><p>Body length: 8.0‒ 8.6 mm, (8.0 mm in holotype); body width: 1.5‒1.7 mm (1.5 mm in holotype).</p><p>Male (Fig. 16 A). Colouration. Body black, head yellow before antennal sockets, antennomeres I ‒ III yellow, prosternum yellow, pronotum yellow with a large black marking extending to middle of anterior margin and anterior parts of lateral margins, scutellum yellow, elytra with a large X-form yellow marking occupying around humeri, along suture and near to apices, legs yellow at trochanters and basal parts of femora and metatibiae, abdomen yellow posteriorly and laterally.</p><p>Eyes strongly protruding, interocular distance approximately half as wide as the diameter of an eye. Antennae extending to posterior margin of abdominal tergite II, II ca. 1 / 3 length of I, III ‒ XI subequal in length and approximately twice longer than II.</p><p>Pronotum 1.1 times wider than long, anterior margin arcuate, lateral margins feebly diverging posteriorly, posterior margin bisinuate, anterior angles subrounded, posterior angles nearly rectangular.</p><p>Elytra 1.3 times longer than wide, 1.8 times longer than pronotum, with lateral margins slightly sinuate, sutural margins distinctly sinuate and moderately dehiscent from the base 1 / 3 part, distance between sutural margins twice as wide as apical width of an elytron, apices rounded.</p><p>Pro- and mesofemora slightly swollen (Fig. 16 A), protibiae shallowly excavated at inner 2 / 3 part (Fig. 16 A); metathoracic legs slender and simple.</p><p>Terminal abdominal tergite (Fig. 17 A) 1.4 times longer than wide, with postero-lateral projections approximately half length of the tergite, feebly sinuate at inner margins, feebly arcuate at outer margins. Proctiger (Fig. 17 E) reniform and laterally sclerotised, protruding over paraproct; paraproct (Fig. 17 E) strongly developed, trapezoidal, with posterior angles acute and strongly projecting posteriorly and anterior angles projecting laterally.</p><p>Terminal abdominal ventrite (Fig. 17 C) peltate, ca. 1.5 times as long as wide, fissured in middle of apical 1 / 4 part, with lateral lobes straight at inner margins, sinuate at outer margins, rectangular at outer apical angles, strongly protuberant and acute at inner apical angles, with a pair of short and conical protrusions near outer apical angles, each protrusion with a tuft of stout setae at apex.</p><p>Abdominal sternite IX (Fig. 17 F) weakly sclerotised and narrowed posteriorly, short and 1.2 times as long as wide, with posterior margin rounded and confluent with anterior right and left angles, anterior left angle triangular and right angle moderately protruding anteriorly.</p><p>Aedeagus (Fig. 18 A ‒ D): right paramere compressed laterally, elongate and tapered apically (Fig. 18 B, C); left paramere compressed laterally, horn-shaped, acute at apex, approximately as long as right paramere (Fig. 18 B, C); setifore extension well-developed and conical, 4 / 5 length of left paramere (Fig. 18 B, C); median lobe extremely long, ca. 4.0 times longer than tegmen, even in width along whole length (Fig. 18 A ‒ D).</p><p>Female (Fig. 16 B). Similar to males, but body larger, eyes less protruding, prothoracic legs simple; abdominal tergite VIII (Fig. 17 B) ca. 1.5 longer than wide, with postero-lateral projections ca. 2 / 5 length of the tergite and straight at inner margins; abdominal sternite VIII (Fig. 17 D) ca. 1.2 times as wide as long, widest near middle, rounded at lateral margins and confluent with outer apical angles, nearly straight at posterior margin. Internal organs of female reproductive system (Fig. 10 D): bursa copulatrix tail-shaped at apex; accessory gland even in width at apical half part.</p><p>Etymology.</p><p>The specific name is derived from the Latin terminus (an end), referring to its characteristic terminal abdominal ventrite.</p><p>Distribution.</p><p>China (Yunnan).</p></div>	https://treatment.plazi.org/id/8B3F1A6EA0275641B9BACA77827C7C09	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Zhang, Wenwen;Lin, Hanqing;Liu, Haoyu;Yang, Xingke;Yang, Yuxia	Zhang, Wenwen, Lin, Hanqing, Liu, Haoyu, Yang, Xingke, Yang, Yuxia (2025): Review of the Chinese species of Ichthyurus (Coleoptera, Cantharidae). Deutsche Entomologische Zeitschrift 72 (2): 179-215, DOI: 10.3897/dez.72.158992
