Difference between revisions of "Lobrathium uncinatum"
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Latest revision as of 14:51, 27 May 2013
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Lobrathium
Name
Lobrathium uncinatum Li & Li sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
(1 ♂). Holotype, ♂: “China, Qinghai, Xining City, Huzhu County, Beishan National Reserve, 2450 m, 36°56'N, 102°27'E, 28–VII–2004, Tang Liang, Hu Jia-yao & Zhu Li-long leg. / Holotype ♂, Lobrathium uncinatum, sp. n., Li & Li, det. 2013”.
Description
Body length 5.94 mm, length of fore body 3.16 mm. Habitus as in Fig. 18A. Coloration: body black, elytra posteriorly with large yellowish spot reaching posterior and lateral margins; legs reddish with paler tarsi; antennae reddish.
Head transverse (HW/HL = 1.14); posterior angles not marked; punctation coarse and dense, sparser in median dorsal portion, interstices without microsculpture. Eyes large, more than half as long as distance from posterior margin of eye to neck. Antenna slender, 1.92 mm long.
Pronotum moderately oblong, as wide as head (PL/PW = 1.18, PW/HW = 1.0); lateral margins subparallel in dorsal view; punctation dense and coarse, similar to that of head, but with impunctate midline; interstices without microsculpture and glossy.
Elytra longer than broad, broader than pronotum (EL/EW = 1.0, EW/PW = 1.29, EL/PL = 0.98); humeral angles marked; punctation coarse and dense. Hind wings fully developed.
Abdomen narrower than elytra; punctation fine and dense; posterior margin of tergite VII with palisade fringe.
Male. Sternite VI (Fig. 18D) strongly transverse, postero-medially with modified stout black setae; sternite VII (Fig. 18E) strongly transverse, posteriorly with pronounced impression, this impression with numerous modified stout black setae, posterior margin broadly and weakly concave; sternite VIII (Fig. 18F) transverse, postero-median impression with modified setae like on sternites VI and VII, posteriorly with moderately deep excision; aedeagus (Figs 18B, C) with ventral process of distinctive morphology, near middle with distinct dorsal projection in lateral view.
Female. Unknown.
Etymology
The specific epithet (Latin, hooked) refers to the shape of the ventral process of the aedeagus.
Comparative notes
This species can be separated from the externally similar Lobrathium taureum Assing (2012)[1] and Lobrathium schuelkei Assing (2012)[1] by the presence of modified setae on the male sternites VI and VII (Figs 18D, E) and by the distinctive shape of the ventral process of the aedeagus.
Habitat and distribution
The holotype was sifted from wet moss alongside a river bank (Fig. 20F) in the Meda National Reserve, Qinghai (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
Other References
- ↑ 1.0 1.1 Assing V (2012) A revision of East Palaearctic Lobrathium (Coleoptera: Staphylinidae: Paederinae). Bonn zoological Bulletin 61: 49-128.
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