Antocha (Antocha) curvativa Lv & Zhang, 2023
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publication ID |
https://dx.doi.org/10.3897/zookeys.1156.86786 |
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publication LSID |
lsid:zoobank.org:pub:0EA9E43B-A5BF-4232-A297-B341861E835D |
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persistent identifier |
https://treatment.plazi.org/id/CE9CC4CC-B440-40E5-979D-35F2A4843FEB |
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taxon LSID |
lsid:zoobank.org:act:CE9CC4CC-B440-40E5-979D-35F2A4843FEB |
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treatment provided by |
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scientific name |
Antocha (Antocha) curvativa Lv & Zhang |
| status |
sp. nov. |
Antocha (Antocha) curvativa Lv & Zhang sp. nov.
Figs 2 View Figure 2 , 3 View Figure 3
Type material.
Holotype: China • ♂; Tibet Autonomous Region, Medog County, Bari village; 29°20'13"N, 95°21'54"E; 1680 m a.s.l.; 29 July 2014; Yan Li leg; CAU. Paratypes: China • 2 ♂♂ 2 ♀♀; same data as holotype; CAU.
Diagnosis.
Antocha (A.) curvativa sp. nov. can be recognized by thorax with four more or less confluent stripes, wing having no stigma, basal section of M3 which is about four times as long as m-m, posterior margin of tergite 9 having shallow median emargination and specific, stout outer gonostylus with tip distinctly flattened and nearly funnel-shaped. Aedeagal complex with interbase elongated, distally oval; paramere apically slender and curved ventrally; inner branch of paramere elongated, tip rounded.
Description.
Male. Body length 4.8-5.5 mm, wing length 4.3-4.8 mm, antenna length 0.9-1.1 mm.
Head (Fig. 2b View Figure 2 ). Dark brown, with brown setae. Antenna dark brown. Scape cylindrical; pedicel oval; flagellomeres oval, apically tapering and shortened. Setae on antenna brown. Rostrum light brown; palpus brown to dark brown; setae on rostrum and palpus brown.
Thorax (Fig. 2c View Figure 2 ). Pronotum dark brown. Prescutum and presutural scutum brown, with four more or less confluent dark brown stripes. Postsutural scutum brown; scutal lobes each with a darker brown spot. Scutellum brown, with side edges dark brown. Mediotergite dark brown. Pleuron brown (Fig. 2a View Figure 2 ). Legs with light brown coxae; trochanters light yellow with side edges brown; femora yellowish, becoming brown towards apex; tibiae and tarsal segments brown. Setae on legs brown. Wing light brown, without stigma; anal angle nearly right-angled (Fig. 2d View Figure 2 ). Veins light brown. Venation: Sc ending before fork of Rs, at about 2/3 of Rs; basal section of R5 about as long as r-m; m-cu shortly before fork of M, distance approximately 1/4 its own length; basal section of M3 about four times as long as m-m; cell m1 about as long as cell dm. Halter with stem pale.
Abdomen. Tergites 1-6 brown, tergites 7 and 8 dark brown. Sternites 1-6 light brown, sternites 7 and 8 dark brown.
Hypopygium (Figs 2e View Figure 2 , 3 View Figure 3 ). Brown. Posterior margin of tergite 9 with broad and shallow emargination (Fig. 3a View Figure 3 ). Gonocoxite nearly cylindrical, with long yellow setae (Figs 2e View Figure 2 , 3 View Figure 3 ). Outer gonostylus stout, apical half sclerotized, tip distinctly curved, flattened, nearly funnel-shaped. Inner gonostylus thick and fleshy. Interbase nearly V-shaped, distal part elongate and oval (Figs 2e View Figure 2 , 3 View Figure 3 ). Paramere with base rod-shaped, apical part slender, curved ventrally, and with tip sharp. Inner branch of paramere in the shape of elongated lobe with tip rounded (Figs 2e View Figure 2 , 3 View Figure 3 ). Aedeagus rod-shaped, curved ventrally (Figs 2e View Figure 2 , 3 View Figure 3 ).
Female. Body length 5.0-5.5 mm, wing length 4.5-5.0 mm. Generally similar to male by body coloration.
Ovipositor (Fig. 2f View Figure 2 ). Tergite 10 dark brown, caudal part paler. Cercus brown with base darker, tip raised and tapering. Hypogynial valve light brown, reaching approximately 3/5 of cercus.
Etymology.
The specific name refers to the curved apical part of paramere.
Distribution.
China (Tibet).
Remarks.
The new species is similar to A. (A.) lacteibasis from China in having similar apical part of paramere and tip of inner branch of paramere being not bifid, but it can be easily distinguished by the basal section of vein M3 being about four times as long as m-m (Fig. 2d View Figure 2 ) and the stout outer gonostylus with the tip sclerotized, funnel-shaped, inflated, and blunt (Figs 2e View Figure 2 , 3 View Figure 3 ). In A. (A.) lacteibasis , the basal section of vein M3 is about twice as long as m-m, and the outer gonostylus narrow with acute tip ( Alexander 1935; Markevičiūtė et al. 2019, 2021).
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.
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