Lobrathium lirunyui
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Lobrathium
Name
Lobrathium lirunyui Li & Li sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
(1 ♂). Holotype, ♂: “China, Guizhou, Zunyi City, Fenghuang Shan, 800 m, 27°41'N, 106°55'E, 19–VI–2012, Li Run-yu leg. / Holotype ♂, Lobrathium lirunyui, sp. n. Li & Li, det. 2013”.
Description
Large species, body length 9.40 mm, length of fore body 4.20 mm. Habitus as in Fig. 11A. Body reddish brown, legs reddish with pale-reddish tarsi, antennae reddish to brown.
Head longer than wide (HL/HW = 1.06), widest posteriorly; posterior angles weakly marked; punctation of dorsal surface fine and very dense; interstices without microsculpture. Eyes small, approximately one third the length of distance from posterior margin of eye to neck in dorsal view. Antenna long and slender, 2.50 mm long.
Pronotum slender (PL/PW = 1.28, PW/HW = 0.90), lateral margins almost straight and subparallel in dorsal view; punctation similar to that of head, but with impunctate midline.
Elytra longer than wide (EL/EW = 1.02, EW/PW = 1.25, EL/PL = 1.08); punctation coarse and dense, arranged in somewhat irregular series; interstices without microsculpture. Hind wings apparently fully developed.
Abdomen distinctly narrower than elytra; punctation fine and dense; posterior margin of tergite VII with palisade fringe.
Male. Sternite VII (Fig. 11D) strongly transverse, and with shallow median impression posteriorly, without modified setae, posterior margin broadly and weakly concave; sternite VIII (Fig. 11E) weakly transverse, with long and extensive postero-median impression, this impression with numerous modified, stout and short black setae, posterior excision rather broad and U-shaped, on either side of this excision with long dark submarginal setae; aedeagus (Figs 11B, C) 1.56 mm long, with asymmetric ventral process of distinctive shape.
Female. Unknown.
Etymology
The species is named after Runyu Li, collector of the holotype.
Comparative notes
This species is readily distinguished from all its congeners by the following character combination: elytra without spot, whole body of brownish coloration; punctation of head fine and dense, eyes very small, one third as long as distance from posterior margin of eye to neck, male sexual characters highly distinctive.
Habitat and distribution
The holotype was sifted in fern vegetation near a wet tree root (Fig. 20D) in the Fenghuang Shan, Guizhou (Fig. 19).
Original Description
- Li, W; Zhao, M; Dai, C; Li, L; 2013: New species and records of Lobrathium Mulsant & Rey (Coleoptera, Staphylinidae, Paederinae) from China ZooKeys, 304: 49-81. doi
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