Afrosmicronyx, Haran & Perrin, 2017

Haran, Julien & Perrin, Hélène, 2017, Revision of the genus Afrosmicronyx Hustache (Coleoptera, Curculionidae, Curculioninae), Zootaxa 4365 (2), pp. 132-148 : 146-147

Key to the species of Afrosmicronyx

1 - Eyes not contiguous on ventral face of head, ventral space between eyes wider than diameter of one ommatidium (fig. 1A)....................................................................................................... 2

1’- Eyes contiguous or almost contiguous on ventral face of head, ventral space between eyes narrower or equal to diameter of one ommatidium (fig. 1B–C)................................................................................ 3

2- Elytra bearing two tubercles on apical half; scales on elytra forming shades of gray and two white dots on interstriae 4 (fig. 2C).................................................................................. 3. A. sopubiae Marshall

2’- Elytra lacking tubercles on apical half; elytral vestiture entirely black (fig. 2D)................. 4. A. angolanus Hustache

3 - Body length> 5 mm (fig. 2 A) ; elytra with dark transverse band in middle..................... 1. A. giganteus Hustache

3’- Size <5 mm (fig. 2 B–J); elytra without dark transverse band in middle.......................................... 4

4 - Elytra with four tubercles on apical half, on interstriae 3 and 5; apical third of elytra with whitish vestiture (fig. 2B)................................................................................. 2. A. quadrituberculatus Hustache

4’- Elytra without four tubercles on apical half; apical third of elytra similar in vestiture to basal half...................... 5

5 - Elytra with white stripes along sides....................................................................... 6 5’- Elytra without white stripes along sides.................................................................... 7 6- Elytra with contrasting patterns, scales in center of disc black with line of white scales at base of interstriae 3; protibiae with

visible but small tooth.............................................................. 6. A. dorsomaculatus Cox 6’- Elytra without contrasting patterns, scales in center of disc forming shades of gray and no line of white scales at base of inter-

striae 3; all tibiae with large ventral tooth................................................. 7. A. mirei Haran sp. n. 7- Protibiae of male thickened in middle (fig. 1F)............................................ 5. A. maerens Marshall 7’ Protibiae of male with distinct tooth in middle (fig. 1E)....................................................... 8 8- Protibiae with tooth smooth at apex (fig. 2H); pronotum at widest point as wide as base of elytra (fig. 2H)................

...................................................................................... 8. A. armipes Voss 8’- Protibiae with tooth pointed at apex (fig. 1E); pronotum at widest point narrower than base of elytra.................... 9 9 - Prothorax wider than long (fig. 2I); penis tapering towards apex (fig. 6I).............. 9. A. madagascariensis Haran sp. n. 9’- Prothorax isodiametric (fig. 2J); penis parallel sided, rounded at apex (fig. 6J).................10. A. umbrinus Hustache