Yurikoazamiuma bidens, Okajima & Masumoto, 2025
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publication ID |
https://doi.org/10.11646/zootaxa.5726.1.1 |
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publication LSID |
lsid:zoobank.org:pub:894F9D4B-2A99-4AC1-8C9A-828006840831 |
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DOI |
https://doi.org/10.5281/zenodo.17869705 |
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persistent identifier |
https://treatment.plazi.org/id/03E28781-241A-501C-64C5-FB1FAEDDFE0C |
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treatment provided by |
Plazi |
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scientific name |
Yurikoazamiuma bidens |
| status |
sp. nov. |
Yurikoazamiuma bidens sp. nov.
( Figs 241–250 View FIGURES 241–253 , 257 View FIGURES 254–257 )
Female (macroptera). Distended body length: about 1.7mm. Body bicolored ( Fig. 241 View FIGURES 241–253 ). Head, prothorax, mesothorax and tube brown, tube with basal one-third yellowish; metathorax and abdominal segments I–IX largely yellowish, abdominal segments scarcely and partly shaded with pale brown. Fore femora brown, with apical half yellowish; the rest of legs yellow. Antennal segments I and VII–VIII brown; segments II–IV yellow, but IV shaded with pale brown at apex; segment V yellowish at basal half, pale brown at apical half; segment VI pale brown, a little paler than VII. Fore wings and major body setae pale. Head 1.23 times as long as wide ( Fig. 242 View FIGURES 241–253 ), widest across cheeks at a level of postocular setae, dorsal surface almost smooth, but with a few transverse wrinkles between postocular setae. Cheeks rounded, almost smooth. Postocular setae shorter than eyes, blunt or pointed, 142µm apart from each other, 19–23µm apart from eyes. Eyes about one-third of head length, about 70µm apart from each other. Ocelli relatively small; posterior pair in contact with eyes, 48µm apart from each other. Antennae ( Fig. 249 & 250 View FIGURES 241–253 ) about 1.5 times as long as head; segment VIII distinctly constricted at base, 0.76 times as long as segment VII; segment III a little longer than segment IV. Maxillary stylets reaching eyes, 21µm apart from each other at middle; maxillary bridge distinct, a little narrower than one-fourth of head width, situated at the middle of head. Pronotum ( Fig. 242 View FIGURES 241–253 ) well-developed, 0.72 times as long as head, 1.31 times as wide as long, almost smooth; four pairs of major prothoracic setae developed, weakly expanded or blunt; ml longer than aa, pa a little shorter than ml. Prospinasternum rather small ( Fig. 243 View FIGURES 241–253 ). Mesonotum almost smooth, lateral setae short and pointed, about 15µm long. Metanotum almost smooth ( Fig. 245 View FIGURES 241–253 ); median pair of setae short and acute, 35µm apart from each other, 42–46µm apart from anterior margin of metanotum. Fore wing ( Fig. 257 View FIGURES 254–257 ) with 4 duplicated cilia; sub-basal setae S1 and S2 weakly expanded, S3 much longer than S2, finely pointed. Pelta trapezoid ( Fig. 246 View FIGURES 241–253 ), sculptured weakly, about 1.1 times as wide as long. Tergites II–VIII S1 setae weakly expanded. Tergites III–VIII S2 setae: III–VI weakly expanded, VII and VIII pointed. Tergite IX S1 setae very weakly expanded, much shorter than tube, S2 setae on IX sharply pointed, almost as long as tube; intermediate setae about two-thirds of S1. Tube about 0.5 times as long as head, about 2.0 times as long as wide; terminal setae 1.3–1.4 times as long as tube.
Measurements ( holotype female in µm). Body length 1720 (distended). Head length 200, from anterior margin of eyes 180, width across eyes 150, maximum width across cheeks 162, minimum width across base 135; eyes length 65; diameter of posterior ocelli 10–12; postocular setae 48–52. Maxillary bridge width 37. Antenna total length about 300, segments III–VIII length (width) as follows: 43 (27), 41 (27), 36 (25), 33 (23), 37 (20), 28 (13). Pronotum length 144, width 188. Setae on prothorax: aa 30–35, ml about 50, pa 45–48, epim 53–55. Fore wing length 640. Sub-basal wing setae: S1 30 –32, S2 25 –31, S3 48 –66. Pelta length 69, width 76. Tergite IX setae: S1 60 –61, S2 100–103. Tube length 102, maximum width 50; terminal setae 135–142.
Male. Unknown.
Type material. Holotype: macropterous female, Thailand, nr. Chiang Mai, foot of Doi Suthep , on grass, 24.viii.1992. SO.
Comments. This species is described from Thailand based on a unique holotype female collected from grass together with Praepodothrips indicus . The fore tarsal armature of this taxon is characteristic .
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.