Brachysomus, Schoenherr, 1823:, 1124

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

Brachysomus s. str.: B. erinaceus group

1 Erect setae on elytral interstriae 2x longer than interstrial width. Antennal scape strongly widened, at apex more than 3x wider than at base. Elytra covered with scattered scales. Male 5th ventrite not emarginate at apex. 2nd tarsomere in male slightly transverse, 1.5x wider than long........................................................ B. erinaceus (Fabricius)

- Erect setae on elytral interstriae as long or shorter than interstrial width. Antennal scape slightly widened, at apex 2x wider than at base. Elytra densely covered with scales. Male 5th ventrite emarginate at apex................................... 2

2 Elytra in female with sparse vestiture, integument visible under scales. 7th funicular antennomere slightly transverse (L/W = 0.66). Male 5th ventrite slightly depressed................................................. B. hegyessyi Yunakov

- Elytra in female with dense vestiture, scales fully covering integument. 7th funicular antennomere strongly transverse (L/W = 0.5). Male 5th ventrite strongly depressed.................................................. B. setiger (Gyllenhal)