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

Figures

FIGURE 192. Brachysomus deceptorius: A: aedeagus, dorsal and lateral view; B: tegmen; C: spermatheca; D: tergite VIII; E: head; F: pronotum; G: antenna. Brachysomus simplex: H: head; I: antenna; J: pronotum; K: spermatheca.

FIGURE 193. Brachysomus longipterus: A: aedeagus, dorsal and lateral view; B: tegmen; C: spermatheca; D: tergite VIII; E: antenna; F: fore tibia of male; G: hind tibia of male.

FIGURES 164–172. Brachysomus, details: 164: B. deceptorius, male. 165: simplex, female. 166: B. longipterus, male. 167: idem, female. 168: B. deceptorius, male head dorsal view. 169: simplex female. 170: B. deceptorius, male head lateral view. 171: B. longipterus, male head dorsal view.