Asyndetus wusuensis Wang et Yang
publication ID |
https://doi.org/ 10.5281/zenodo.170933 |
DOI |
https://doi.org/10.5281/zenodo.6265778 |
persistent identifier |
https://treatment.plazi.org/id/3D2B7E45-1C4E-FF92-FEB9-3524FD7FFA8E |
treatment provided by |
Plazi |
scientific name |
Asyndetus wusuensis Wang et Yang |
status |
sp. nov. |
Asyndetus wusuensis Wang et Yang View in CoL , sp. nov.
( Figs. 4–6 View FIGURES 4 – 6 )
Diagnosis. First flagellomere about as long as wide; fore and mid tibiae yellow, hind tibia brown; mid and hind femora each with 2 rows of long v. Sternum 5 with many long black bristles.
Description. Male. Body length 3.1 mm, wing length 2.6 mm.
Head metallic green with pale gray pollen, frons wide, shining metallic green, face wide, about 1.5 times wider than first flagellomere. Hairs and bristles black; ocellar tubercle distinct with 2 strong oc and 2 posterior hairs; lower postocular bristles (including posteroventral hairs) pale. Antenna black ( Fig. 5 View FIGURES 4 – 6 ); first flagellomere about as long as wide, brownish; arista dorsal, brownish, short pubescent, with basal segment rather short. Proboscis dark brown with pale hairs; palpus pale with black hairs and 2 black apical bristles.
Thorax dark metallic green with pale gray pollen. Hairs and bristles on thorax black; 5 strong dc, 6–7 paired acr short and hairlike; scutellum with 2 pairs of bristles (apical pair thick and long, basal pair rather short and hairlike). Propleuron with 1 black bristle on lower portion. Legs metallic green, each femur with brownish apex, fore and mid tibiae and tarsomere 1 (except tip) yellow, hind tibia and tarsus brown, fore and mid tarsi brownish to brown from tip of tarsomere 1 onward. Hairs and bristles on legs black; fore coxa with 8 anterior and apical bristles; mid coxa with 3–4 anterior outer bristles; hind coxa with 1 outer bristle at basal 1/3. Fore femur with 2 rows of 4–6 short v; mid femur with 2 rows of av and pv (those near base longer); hind femur with 2 rows of long ventral bristles on apical 4/5 (longer than width of femur). Fore tibia with 1 ad at middle, 1 pd and 1 v, apically with 4 bristles; mid tibia with 2 ad and 2 pd, apically with 4 bristles; hind tibia with 2 ad, 3–4 pd, and 3–4 short v, apically with 4 bristles. Fore leg without claws; elongated pulvilli of fore leg longer than tarsomere 5; mid and hind legs each with small claws, elongated pulvilli of mid leg about as long as tarsomere 5, pulvilli of hind leg shorter than tarsomere 5. Relative lengths of tibia and 5 tarsomeres LI 5.0: 2.2: 0.9: 0.7: 0.5: 0.5; LII 5.1: 2.7: 1.2: 0.9: 0.6: 0.6; LIII 6.5: 2.0: 1.4: 1.0: 0.8: 0.7.
Wing hyaline ( Fig. 4 View FIGURES 4 – 6 ); veins brown, R4+5 and M divergent apically. CuAx ratio 0.1. Squama pale yellow with pale hairs. Halter pale yellow.
Abdomen metallic green with pale gray pollen. Hairs and bristles on abdomen black. Terga 1–5 with row of posterior bristles; sternum 5 with 2 groups of about 25 long black lateral bristles (those are wavelike curved apically), sternum 8 with 4 strong bristles.
Male genitalia ( Fig. 6 View FIGURES 4 – 6 ): Lateral lobe on epandrium large, slightly longer than surstylus, with broad base and long acute apex, and with 2 spinelike apical bristles; surstylus straight and curved apically, with 2 pale bristles on apical half, basally with 1 long and straight process; cercus brownish with 2 long apical bristles (those are wavelike curved apically) and some short hairs; aedeagus slender.
Female. Unknown.
Type material. Holotype male, XINJIANG: Wusu, 24. VI. 1957, Ch. Hong (CAU).
Etymology. The specific epithet derives from locality of the holotype Wusu (Xinjiang).
Comments. The new species is similar to Asyndetus barbiventris Stackelberg from Tajikistan in having the long black bristles on sternum 5, but may be separated from the latter by the fore and mid tibiae yellow and the mid femur with 2 rows of v. In A. barbiventris , the fore and mid tibiae are metallic green with the yellow apex, and the mid femur just have one row of av ( Negrobov, 1973).
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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