Catomus, Allard, 1876

Nabozhenko, Maxim & Ando, Kiyoshi, 2018, Subtribal, Generic And Subgeneric Composition Of Darkling Beetles Of The Tribe Helopini (Coleoptera: Tenebrionidae) In The Eastern Palaearctic Region, Acta Zoologica Academiae Scientiarum Hungaricae 64 (4), pp. 277-327 : 289

Key to species of the Eastern Palaearctic Catomus

1. Anterior angles of pronotum projected and acute ( Fig. 5E ). Elytra with rasp-shaped punctures and suberect hairs ( Fig. 5H ) C. stanislavi sp. n.

– Anterior angles of pronotum not projected and widely rounded ( Figs 5A–D ). Elytra glabrous ( Figs 5F,G ) 2

2. Head widest at eye level ( Fig. 5D ). Abdominal ventrite 5 without dense hair brush apically, only with simple recumbent setae C. interruptus

Figures

Fig. 5. Species of the genus Catomus, subgenus Sinocatomus. A = C. solitarius, male, Gansu