Lathrobium jiulongshanense
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Lathrobium
Name
Lathrobium jiulongshanense Peng & Li sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type locality
Jiulongshan Natural Reserve, Zhejiang Province, East China
Type material
(22 ♂♂, 20 ♀♀). Holotype: ♂, labeled ‘CHINA: Zhejiang Prov. / Suichang County / Jiulongshan N. R. / 31.vii.2006, alt. 500–700 m / Li & Shen leg.’. Paratypes: 13 ♂♂, 7 ♀♀, same label data as holotype; 8 ♂♂, 12 ♀♀, same, except ‘30.v.2006’; 1♀, same, except ‘28.v.2006’.
Description
Measurements and ratios:BL 8.90–10.08, HL 1.43–1.52, HW 1.56–1.61, PL 1.80–1.92, PW 1.55–1.71, EL 1.09–1.18, HW/HL 0.95–1.11, HW/PW 0.94–1.02, HL/PL 0.77–0.81, PL/PW 1.10–1.15, EL/PL 0.61–0.66.
Habitus as in Fig. 1A. Body brown with paler apex, legs brown, antennae brown to reddish brown.
Head subquadrate; punctation coarse and moderately sparse; interstices with shallow microsculpture; eyes small, usually approximately 1/3–3/8 the length of postocular region in dorsal view.
Pronotum with lateral margins weakly convex in dorsal view; punctation sparser than that of head; impunctate midline narrow; interstices without microsculpture.
Elytra with punctation denser than that of pronotum and well-defined; hind wings reduced.
Abdomen with dense punctation; interstices with shallow microsculpture.
Male. Sternite IV (Fig. 2D) and V (Fig. 2E) with dense short darkish setae in postero-median concavity, on posterior margin with 6–10 peg-like setae; sternite VI (Fig. 2F) similar to V, but with much sparser setae in median concavity; sternite VII (Fig. 2H) with narrow impression, on either side of this impression with 9–12 peg-like setae; sternite VIII (Fig. 2I) with different length of setae surrounding distinctly asymmetric and deep emargination in postero-median portion; sternite IX (Fig. 2G) asymmetric; aedeagus (Fig. 2J, 2K) with conspicuously long ventral process and short dorsal sclerite.
Female. Posterior margin of tergite VIII (Fig. 2A) truncate; sternite VIII (Fig. 2B) longer than that of male, posterior margin broadly convex and with micropubescence; tergite IX (Fig. 2C) not separated from X (Fig. 2C) with short lateral processes.
Distribution
East China (Zhejiang: Jiulongshan Natural Reserve).
Etymology
The species is named after its type locality.
Remarks
The new species is distinguished from all its congeners in the following points: male sternites IV–VI with several peg-like setae at the posterior margin; male sternite VIII with the different length of setae surrounding the asymmetric and relatively deep emargination.
Original Description
- Peng, Z; Li, L; Zhao, M; 2012: Three new species of the genus Lathrobium Gravenhorst (Coleoptera, Staphylinidae, Paederinae) from the Jiulongshan Natural Reserve, East China ZooKeys, 184: 57-66. doi
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