Acylophorus derougemonti, Janák, 2018

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 : 157

Acylophorus derougemonti group (new group)

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 shining either without microsculpture or, much more rarely, with scattered and sparse micro-punctures. Head with pigmented area beyond insertion of head and three pairs of interocular setae. Last two segments of maxillary palpi without dense pubescence. Meso- and metatarsi with long empodial setae (similar as in Figs. 9, 10 ).

The group contains only the 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.