Epitrichius Tagawa
Creators: name: Li, Chun-Lin
name: Yang, Ping-Shih
name: Wang, Kuo-Sheng Hsu Chuan-Chan
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Cetoniidae
Epitrichius

description: Key to species of the genus Epitrichius Tagawa
1 Anterior margin of clypeus distinctly raised, moderately to slightly emarginated medially, bilobed tips rounded........................................................................................................................................................2
1’ Anterior margin of clypeus not raised, distinctly emarginated medially, bilobed tips protruding................4
2 Dorsum usually overall shiny metallic green in males, metallic green or cupreous in females, females rarely blackish brown without metallic luster; basolateral angles of pronotum protruding basally; pygidium with a pair of median tufts of setae in both sexes. Taiwan ............................. Epitrichius elegans (Kano, 1931)
2’ Head and pronotum dull green, cupreous or black; basolateral angles of pronotum rounded, retracted; pygidium lacking a pair of median tufts of setae, setiferous overall with a small glabrous area centrally in males............................................................................................................................................................3
3 Head, pronotum (partly with copper red in females) and scutellum overall dull green with dense, short setae and distinct rugosity of surface, lacking lateral setose spot on sides of pronotum; major hook of internal sac always with lateral denticle (Fig. 18). Taiwan ......................... Epitrichius cupreipes (Bourgoin, 1915)
3’ Overall green in males and dark in females, males collected from northern Indochina and southernmost China usually with elytra black or dull green; head and pronotum with or without velutinous surface; head glabrous, central disc of pronotum sparsely setiferous or nearly glabrous with distinctly marginal setae, setose spot on sides of pronotum present; lateral denticle of major hook of internal sac absent or vestigial (Fig. 17). Eastern and southern China, northern Vietnam, northeastern Laos ............................................... ...................................................................................................... Epitrichius bowringii (Thomson, 1857)
4 Pronotum distinctly setiferous; mesometasternal process not visible when viewed laterally.........................5
4’ Pronotum glabrous or marginally setose; mesometasternal process visible when viewed laterally..............6
5 Head, pronotum and scutellum with iridescent luster; basolateral angle of pronotum distinctly produced; elytron with triple transverse markings; pygidium transversally setiferous with paired tufts vaguely defined in both sexes. Amami-Oshima Island, southwestern Japan. Epitrichius lagopus (Fairmaire, 1897)
5’ Head, pronotum, scutellum and legs with copper red or green metallic luster; basolateral angle of pronotum weakly produced; elytron with double transverse markings; pygidium with paramedian paired tufts consisted of well defined long setae in both sexes. Northern Vietnam .... Epitrichius versutus (Krikken, 1972)
6 Elytra reddish brown with transverse markings diffused marginally and weakly defined; internal side of metatarsomeres 1–2 densely covered with long, yellowish brown, setae ..................................................... ............................................................................................. Epitrichius shinshuingensis Li & Yang, n. sp.
6’ Elytra black with transverse markings not diffused marginally and well defined; internal side of metatarsomeres 1–2 sparsely covered with short, whitish yellow setae....... Epitrichius fraterculus (Moser, 1902)
description: Published as part of Li, Chun-Lin, Yang, Ping-Shih & Wang, Kuo-Sheng Hsu Chuan-Chan, 2008, A review of the genus Epitrichius Tagawa, with an analysis of the internal sac armature of the male genitalia (Coleoptera: Scarabaeidae: Cetoniinae), pp. 10-24 in Zootaxa 1895 on pages 13-14, DOI: 10.5281/zenodo.184420