Comparative morphology study of the male genitalia in the tribe Astathini from China (Coleoptera: Cerambycidae) Author He, Si-Yao Author Chen, Li Author Liu, Zhi-Ping text Zoological Systematics 2015 40 2 197 211 http://zoobank.org/e756d8e7-f490-44a1-a07e-048e64951104 journal article 10.11865/zs.20150205 2095-6827 7176506 E756D8E7-F490-44A1-A07E-048E64951104 3.1.4 Bacchisa basalis (Gahan, 1894) ( Figs 5B , 6B, 7D) Tegmen about 4.5 times as long as wide, curved; lateral lobes short, about 1/8 times as long as tegmen, subcylindrical, about twice as long as wide; transparent except base; with dense long hairs at middle; roof nearly as long as lateral lobes; apex dehiscent; apical margin arcuate; ringed part converging at apex, apex fishtail. Median lobe plus median struts curved, about 5.9 times as long as wide; median lobes 1.6 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-trapezoidal, 0.8 times as long as wide; apex slightly concave, with dense long setae; 8th abdominal sternum slightly shorter and narrower than tergaum, apex strong concave, with dense long setae on lateral sides; spiculum gastrale long, about 1.9 times as long as tergaum.