Brachysomus, Schoenherr, 1823:, 1124

Yunakov, Nikolai, 2022, A review of the genus Brachysomus Schoenherr (Coleoptera: Curculionidae: Entiminae), Zootaxa 5193 (1), pp. 1-165 : 16-17

Brachysomus s. str.: B. simplex group

1 Body robust: elytra globose or broadly ovate (EL/EW = in males 1.2, in females 1.3) ( Figs. 164, 165). Median lobe acute, not curved dorso-ventrally, armature of endophallus contains only microspicules, apodemes as long as median lobe ( Fig. 192A). ................................................................................................... 2

- Body slender: elytra distinctly oblong-ovate (EL/EW = in males 1.7 in females 1.4) ( Figs. 166, 167), Median lobe acuminate, strongly curved dorso-ventrally, armature of endophallus contains micro- and macrospicules, apodemes shorter than median lobe ( Fig. 193A).................................................................... B. longipterus Białooki

2 Pronotum coarsely punctuate, without proximal and distal constrictions ( Fig. 192F). 1st funicular antennomere 2x longer than 2nd ( Fig. 192G). Spermatheca ( Figs. 168, 171, 192C)...................................... B. deceptorius Białooki

- Pronotum finely punctuate, with proximal and distal constrictions ( Figs. 169, 192J). 1st funicular antennomere 1.4x longer than 2nd ( Fig. 192I). Spermatheca ( Fig. 192K)................................................... B. simplex Yunakov