Pseudolathra, Casey, 1905

Kocian, Matúš & Hlaváč, Peter, 2018, Review of the genus Pseudolathra Casey, 1905 (Coleoptera: Staphylinidae: Paederinae) of Réunion Island, Zootaxa 4531 (3), pp. 437-443 : 442-443

Key to the Pseudolathra species of Réunion

1 Microphthalmous species, eyes reduced............................................... P. pauliani ( Jarrige, 1957)

- Eyes well developed................................................................................... 2

2 Elytra at suture as long as or longer than pronotum. Posterior margin of tergite VII with palisade fringe. Wings fully developed............................................................................. P. keiseri ( Scheerpeltz, 1961)

- Elytra at suture distinctly shorter than pronotum. Posterior margin of tergite VII without palisade fringe. Wings strongly reduced............................................................................................. 3

3 Head narrower and more oblong, posterior angles more rounded. Head and pronotum with surface strongly shining. Legs and antennae paler, yellowish. Posterior margin of male sternite VII without modified short dark setae ( Fig. 8 ). Aedeagus as in Figs 5–7............................................................................. P . hamoni ( Jarrige, 1957)

- Head wider, posterior angles distinctly marked. Head and pronotum with surface less strongly shining, matt with weak microsculpture. Legs and antenna darker, brownish. Posterior margin of male sternite VII with modified dark and shorter setae ( Figs 12, 16 )........................................................................................ 4

4 Modified short dark setae on posterior part of male sternite VII less numerous. Aedeagus as in Figs 9–11.................................................................................................. P . gomyi ( Lecoq, 1986)

- Modified short dark setae on posterior portion of male sternite VII more numerous and denser. Aedeagus as in Figs 13–15............................................................................................ P . janaki sp. n.

Figures

FIGURES 1–16. Pseudolathra keiseri (1–4), P. hamoni (5–8), P. gomyi (9–12), P. janaki sp. n. (13–16). Aedeagus from dorsal (1, 5, 9, 13), lateral (2, 6, 10, 14) and ventral (3, 7, 11, 15) view; posterior margin of male sternite VII (4, 8, 12, 16). Scale bar: 0.2 mm.