Bruchus

Yus-Ramos, Rafael, Ventura, Daniel, Bensusan, Keith, Coello-García, Pedro, György, Zoltán & Stojanova, Anelia, 2014, Alien seed beetles (Coleoptera: Chrysomelidae: Bruchinae) in Europe, Zootaxa 3826 (3), pp. 401-448 : 427

Key to established species of Bruchus

( Figure 11 )

1 Mucro of the hind tibia longer than the apical denticles of the tibial crown; male middle tibia with an apical spur and a lateral groove; pronotum with a medial lateral tooth ( Figs. 11 A–D).................................... Bruchus rufimanus

- Mucro of the hind tibia not longer than apical denticles of the tibial crown; male middle tibia with an acute apical spur but without a lateral groove; pronotum with a medial lateral tooth or displaced anteriorly.............................. 2

2 Body length generally exceeding 3.7 mm; lateral tooth of the pronotum large and sharp, apparently displaced anteriorly from the middle area; elytral pubescence forming a contrasting pattern of patches and bands; sometimes with the last antennal segment yellowish ( Figs. 11 E–H).............................................................. Bruchus pisorum

- Body length not exceeding 3.8 mm; lateral tooth of the pronotum smaller, located in the middle part; elytral pubescence forming a low-contrast pattern of patches and bands; the last antennal segment always black ( Figs. 11 I–L)....... Bruchus lentis

Figures

FIGURE 11. Bruchus species alien to Europe. A – D, Bruchus rufimanus: A, Adult; B, Hind leg; C, Pronotum; D, Middle leg. E – H, Bruchus pisorum: E, Adult; F, Hind leg; G, Pronotum; H, Middle leg. I – L, Bruchus lentis: I, Adult; J, Hind leg; K, Pronotum; L, Middle leg.