Megabruchidius

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 Megabruchidius

( Figure 12 )

1 Hind tibia with a long apical spur or mucro extending slightly beyond the middle of the first tarsal segment; pronotum subconical, very faintly sinuate laterally; females with narrower pygidial pits; pygidium of female narrower, longer than wide at the base; integument brown; pronotum with less pronounced gibbosity ( Figs. 12 A–D)............. Megabruchidius tonkineus

- Hind tibia with a shorter spur or mucro, slightly longer than the coronal denticle but not exceeding the basal third of the first tarsal segment; pronotum campaniform, clearly sinuate laterally; females with wider pygidial pits; pygidium of female wider, as long as wide at the base; pronotum with more pronounced gibbosity ( Figs. 12 E–H)........... Megabruchidius dorsalis

Figures

FIGURE 12. Megabruchidius species alien to Europe. A – D, Megabruchidius tonkineus: A, Adult; B, Hind leg; C, Male sternites; D, Female pygidium. E – H, Megrabruchidius dorsalis: E, Adult; F, Hind leg; G, Male sternites; H, Female pygidium.