Bacchisa fortunei (Thomson, 1857)

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

3.1.7 Bacchisa fortunei (Thomson, 1857) ( Figs 2C , 5E , 6E, 7E)

Tegmen about 3.5 times as long as wide, abrely curved; lateral lobes short, about 1/16 times as long as tegmen, sub-cylindrical, about 0.9–1.0 times as long as wide; with short hairs, much longer at middle; roof long, about 2.2 times as long as lateral lobes; apex dehiscent; ringed part converging at apex, apex slightly fishtail. Median lobe plus median struts curved, about 6.2 times as long as wide; median lobes 1.7 times as long as median struts; dorsal plate slightly shorter than ventral plate, apex pointed. Internal sac with rod at apex, rod longer than median lobe plus median struts. 8th abdominal tergaum sub-square, 0.9 times as long as wide; apex slightly concave, with dense long setae on lateral sides; 8th abdominal sternum slightly shorter and narrower than tergaum, apex slightly round, with dense setae; spiculum gastrale long, about 1.5 times as long as tergaum.

Figures

Fig. 2. Tegmen in dorsal view. A. Anastathes parvus hainana. B. A. robustus. C. Bacchisa fortunei. D. Plaxomicrus ellipticus. E. Tetraophthalmus episcopalism. F. T. janthinipennis cyanopterus. G. T. janthinipennis janthinipennis. Scale bar=0.5 mm.

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.