Bacchisa guerryi (Pic, 1911)

He, Si-Yao, Chen, Li & Liu, Zhi-Ping, 2015, Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae), Zoological Systematics 40 (2), pp. 197-211 : 206

3.1.8 Bacchisa guerryi (Pic, 1911) ( Figs 5G , 6G, 7F)

Tegmen about 3.9–4.7 times as long as wide; lateral lobes very short, about 1/30 times as long as tegmen, about 0.8–0.9 times as long as wide; with dense hairs; roof long, about 4.0–4.4 times as long as lateral lobes; apex dehiscent; ringed part converging at apex, apex slightly fishtail. Median lobe plus median struts slightly curved, about 7.1 times as long as wide; median lobes 2.0 times as long as median struts; dorsal plate slightly shorter than ventral plate, apex sharp-pointed. Internal sac with rod at apex, rod longer than median lobe plus median struts and a little thicker at apical half. 8th abdominal tergaum sub-square, 0.9 times as long as wide; apex slightly concave, with dense setae except middle; 8th abdominal sternum slightly shorter than tergaum and as wide as it, apex flat, with dense setae; spiculum gastrale long, about 1.6 times as long as tergaum.

Figures

Fig. 5. Tegmen of Bacchisa, dorsal view. A–F. R2> 1/20. A. B. atritarsis. B. B. basalis. C. B. comate. D. B. dioica. E. B. fortunei. F.B. rigida. G. R2 <1/20, B. guerryi. Scale bar=0.5mm.