Acylophorus densipennis

Janák, Jiří, 2018, Revision of the genus Acylophorus Nordmann, 1837 from Madagascar and Mascarene Islands (Coleoptera: Staphylinidae: Staphylininae: Acylophorina), Zootaxa 4462 (2), pp. 151-191 : 153

Acylophorus densipennis group ( Lott 2010)

Diagnosis. Disc of pronotum glabrous except for a pair of setae; pubescence on head restricted to small area behind eyes; apex of styles at tip of abdomen covered by bristles and more or less invisible ( Fig. 30 in Lott 2010). Pronotum covered by microsculpture consisting of dense micro-punctures visible at 40x magnification. Head with pigmented area beyond insertion of head and two pairs of interocular setae present. Only last segment of maxillary palpi pubescent, penultimate segment glabrous. Meso- and metatarsi with long empodial setae ( Figs. 9, 10 ).

The group contains 12 species from continental sub-Saharan Africa and one following species from Madagascar.

Figures

FIGURES 22–30. Acylophorus derougemonti sp. nov. 22, 23, holotype; 24–29, Maromiza; 30, Ranomafana. 22, habitus; 23, head and pronotum; 24, mandibles; 25, maxillary palpus; 26, aedeagus lateral; 27, aedeagus ventro-lateral; 28–30 aedeagus ventral. 26–30 same scale bars.

FIGURES 9–17. Acylophorus tristis Jarrige. 9, 10, 15–17, Col de Marotaolana; 11–13, Sendrisoa; 14, Manindray. 9, metatarsus lateral; 10, metatarsus dorsal; 11, 16, aedeagus lateral; 12, aedeagus ventro-lateral; 13–15, aedeagus ventral. ES, empodial setae. 16, 17, transmitted light. 9–10, 11–17, same scale bars.