Lathrobium tangi
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Lathrobium
Name
Lathrobium tangi Peng & Li sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
(3 ♂♂, 1 ♀). Holotype: ♂, labeled ‘CHINA: Zhejiang Prov. / Qingyuan County / Baishanzu N. R. / 27°45'N, 119°14'E / 7.v.2008, alt. 1,050 m / Hu, Tang & Zhu leg.’. Paratypes: 1 ♂, same label data as holotype, but ‘22.ix.2008, alt. 1,200 m / Tang Liang leg.’; 1 ♂, same label data, but ‘28.vi.2004, alt. 1,100 m / Tang & Zhang leg.’; 1 ♀, same label data, but ‘27°45'N, 119°13'E / 22–23.ix.2008, alt. 1,500 m / Tang & Zhang leg.’.
Description
Measurements and ratios:BL 8.62–10.06, FL 4.10–4.14, HL 1.11–1.20, HW 1.23–1.30, PL 1.65–1.70, PW 1.39–1.44, EL 1.04–1.11, HL/HW 0.90–0.92, HW/PW 0.88–0.90, HL/PL 0.67–0.71, PL/PW 1.18–1.19, EL/PL 0.63–0.65.
Habitus as in Fig. 2A. Similar to Lathrobium baishanzuense, except for the darker coloration of body, the somewhat larger body size, slightly coarser and sparser punctation on the head and pronotum, and weakly convex lateral margins of pronotum in dorsal view.
Male. Sternite IV (Fig. 6C) with dense dark setae in large postero-median impression, and posterior margin with several point-like setae; sternite V (Fig. 6D) similar to sternite IV, but with much smaller impression, and posterior margin with numerous point-like setae; sternite VI (Fig. 6H) unmodified; posterior margin of sternite VII (Fig. 6E) weakly concave; sternite VIII (Fig. 6I) with subtriangular, asymmetric emargination and short dark setae in narrow impression; sternite IX (Fig. 6G) nearly symmetric; aedeagus (Fig. 6J, 6K) weakly asymmetric ventral process, large dorsal plate and with moderately sclerotized apical spine in internal sac.
Female. Posterior margin of tergite VIII (Fig. 6A) convex; sternite VIII (Fig. 6B) longer than that of male, middle of apical margin with apically convex projection; tergite X (Fig. 6F) convex apically, longer than tergite IX in the middle, but not reaching anterior margin of tergite IX (Fig. 6F).
Distribution
East China: Donggong mountain range.
Etymology
The species is named after Liang Tang, who collected the type seris.
Comparative notes
Lathrobium tangi is similar to Lathrobium pilosum large impression on the male sternite IV and a similarlyshaped male sternite VII.In Lathrobium tangi, the posterior margin of the male sternite VI is unmodified and the male sternite VIII has an asymmetric emargination.
Original Description
- Peng, Z; Li, L; Zhao, M; 2012: Five new apterous species of the genus Lathrobium Gravenhorst (Coleoptera, Staphylinidae, Paederinae) from the Baishanzu Natural Reserve, East China ZooKeys, 251: 69-81. doi
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