Acylophorus muscorum

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 : 160

Acylophorus muscorum 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 (similar as Fig. 30 in Lott 2010). Pronotum shining either without microsculpture or, much more rarely, with scattered and sparse micropunctures. Last two segments of maxillary palpi densely pubescent ( Fig. 40 ). Head with pigmented area beyond insertion of head and two pairs of interocular setae. 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 37–45. Acylophorus muscorum Jarrige. 37–43, Andasibe; 44, 45, Maromiza. 37, habitus; 38, head and pronotum; 39, mandibles; 40, maxillary palpus; 41, aedeagus lateral; 42, aedeagus ventro-lateral; 43–45, aedeagus ventral. 41–45 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.