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 3.1.2 Anastathes robustus Gressitt, 1940 ( Figs 2B , 3B , 4C–D ) Tegmen about 3.6 times as long as wide, slightly curved; lateral lobes about 2/9 times as long as tegmen, cylindrical, with dense long hairs at apex; roof short, about 0.7–0.8 times as long as lateral lobes; apex dehiscent; basal margin straight Fig. 3. 8th abdominal segment, ventral view. A. Anastathes parvus hainana . B. A. robustus . C. Bacchisa atritarsis . D. Plaxomicrus ellipticus . E. Tetraophthalmus episcopalism . F. T. janthinipennis cyanopterus . G. T. janthinipennis janthinipennis . Scale bar = 0.5 mm. © Zoological Systematics , 40(2): 197–211 and protruding at middle; ringed part converging at apex, apex flat. Median lobe plus median struts slightly curved, about 5.6 times as long as wide; median lobes 3.1 times as long as median struts; dorsal plate shorter than ventral plate, apex pointed. Internal sac with rod at apex, the rod approximately as long as median lobe plus median struts and slightly thick. 8th abdominal tergaum sub-trapezoidal, 0.6 times as long as wide; apex flat, narrower than base, with dense long setae on lateral sides, sparsely covered with short hairs at middle; 8th abdominal sternum approximately as wide as but shorter than Fig. 4. Median lobe plus median struts and rod at apex of internal sac, dorsal view. A–B. Anastathes parvus hainana . C–D. A. robustus . E–F. Bacchisa dioica . G–H. Plaxomicrus ellipticus . I–J. Tetraophthalmus episcopalism . K–L. T. janthinipennis cyanopterus . M–N. T. janthinipennis janthinipennis . Scale bars = 0.5 mm. © Zoological Systematics , 40(2): 197–211 dorsal plate; apex slightly concave, densely covered with long hairs on lateral sides; spiculum gastrale long, about 2.0 times as long as tergaum.