Conicobruchus strangulatus

Le Ru, Bruno P., Delobel, Alex, György, Zoltán, Genson, Gwenaëlle & Kergoat, Gael J., 2014, Taxonomy, host-plant associations and phylogeny of African Crotalaria - feeding seed beetles (Coleoptera, Chrysomelidae, Bruchinae): the Conicobruchus strangulatus (Fåhraeus) species group, Zootaxa 3895 (2), pp. 238-256 : 253

Key to the Conicobruchus strangulatus species group based on external morphology of the adults

(see Fig. 1 )

1. Pronotum short, its sides not concave, not compressed anteriorly into a neck. Mostly red, with dark markings on elytra................................................................................................ C. decoratus

- Pronotum long with sides concave, produced anteriorly into a neck.............................................. 2

2(1). Elytra with bare spots alternating with densely setose patches........................................ C. cicatricosus

- Elytra uniformly covered with setae....................................................................... 3

3(2). Pronotum bearing brushes and spots of dense white setae, quite noticeable on black background........... C. flabellicornis

- Lack of white setae spots on pronotum.................................................................... 4

4(3). Last visible tergite and elytra black or dark reddish-brown......................................... C. strangulatus

- Last visible tergite red.................................................................................. 5

5(4). Body mostly deep reddish brown, elytra mainly black, pronotum with a longitudinal line of whitish setae..... C. rubricollis

- Body black, elytra bright orange with suture black............................................... C. atrosuturalis

Figures

FIGURE 1. Dorsal view of specimens belonging the to six species of the Conicobruchus strangulatus species group.