Gabrius lemur JARRIGE 1978

Hromádka, L., 2011, Revision of the genus Gabrius STEPHENS 1829 from Madagascar and adjoining Islands (Coleoptera: Staphylinidae: Philonthina), Linzer biologische Beiträge 43 (2), pp. 1377-1397 : 1385-1386

Gabrius lemur JARRIGE 1978 (Figs 23-25)

T y p e m a t e r i a l e x a m i n e d: Holotype. ″Andringitra centre plateau, Andohariana 2000-2100 m, // Gabrius lemur J. Jarrige det., 1977, TYPE, [white oblong label handwritten], 9.xi.1970, Museum Paris , Madagascar centre, mission R.C.P. no. 225″ ( MNHN).

R e d e s c r i p t i o n: Body length 5.5 mm, length of fore body (to end of elytra) 2.8 mm. Head black, pronotum, scutellum, elytra and abdomen black-brown, maxillary and labial palpi yellow-brown, antennomeres 1-2 and base of antennomere 3 brownyellow, remaining antennomeres brown-black, legs brown-yellow, tarsi paler distally.

Head almost quadrate, slightly wider than long (ratio 18: 16), slightly narrowed posteriorly.

Posterior angles markedly rounded, bearing one long black bristle. Between eyes 4 coarse punctures, distance between medial punctures 3 times as large as distance between medial and lateral puncture, medial punctures slightly shifted anteriorly. Eyes much shorter than temples (ratio 5: 12). Posterior margin with one setiferous puncture. Temporal area, with several small punctures. Surface with very fine, irregular microsculpture.

Antennae slender, reaching posterior fourth of pronotum when reclined, antennomeres 1- 4 and 11 longer than wide, antennomeres 5-10 as long as wide.

Pronotum highly convex, longer than wide (ratio 22: 18), very slightly narrowed anteriorly. Anterior angles bearing 2 short bristles, posterior angles makedly rounded. Each dorsal row with 6 punctures of irregular length, each sublateral row with 2 punctures, puncture 2 situated behind lavel of puncture 4 in dorsal row and slightly shifted to the lateral margin. Surface with microsculpture similar to that on head.

Scutellum punctate only in posterior two thirds, diameter of setiferous punctures as large eye-facets, separated between punctures larger than 1 puncture diameter in transverse direction, anterior third impunctate.

Elytra longer than wide (ratio 27: 25), narrowed posteriorly. Punctation coarser and sparser, diameter of punctures larger than that on scutellum, separated by 2 puncture diameters in transverse direction. Surface lacks microsculpture; setation gray.

Legs. Metatibia longer than metatarsus (ratio 27: 25). Metatarsomere 1 shorter than metatarsomere 5, almost as long as metatarsomeres 2-3 combined.

Abdomen wide, from visible tergite III gradually narrowed anteriorly and posteriorly. Punctation at base.of all tergites finer and denser than that on elytra, becoming finer and sparser towards posterior margin of each tergite. Surface lacks microsculpture; setation similar to that on elytra.

C o m p a r a t i v e n o t e s G. lemur is similar to G. ardeola nov.sp., but different

as follows: sparser punctation of elytra, slightly darker legs and by the different shape of the aedeagus.

D i s t r i b u t i o n: Madagascar ( HERMAN 2001).