Batricavus hainanensis
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Batricavus
Name
Batricavus hainanensis Yin & Li sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type-locality
China, Hainan Province: Lingshui County, Diaoluoshan Natural Reserve, 18°42'18.87" N, 109°52'59.48"E, 720 m a.s.l.
Type material
(2 ♂♂, 5 ♀♀)Holotype: ♂, labeled, ‘China: Hainan Prov. / Diaoluoshan N. R. / disc road / 26.iv.2012, 600–1,000 m / Dai et Peng leg.’. Paratypes: 1 ♂, 2 ♀♀, same label data as holotype; 1 ♂, same label data except ‘road to reservoir / 25.iv.2012, 1,000 m’; 2 ♀♀, same label data except ‘Zi-Wei Yin leg’.
Other material examined
1 ♀, labeled ‘China: Hainan Prov. / Jianfengling N. R. / Wufenqu area / 2.v.2012, alt. 900 m / Pan et Yin leg.’.
Diagnosis
Length 1.62–1.69; antennal club weakly indicated by apical three antennomeres, lacking obvious modification in male; male with modified protibiae and simple metafemora and tergite IV.
Description
Male. Length 1.62–1.67; body (Fig. 1B) reddish brown, maxillary palpi and tarsi lighter. Head slightly wider than long, HL 0.32–0.33, HW 0.39–0.41. Eyes each composed of about 30 facets. Antennal club formed by apical three antennomeres, segment VIII smallest, IX–XI enlarged. Pronotum rounded laterally, about as long as wide, PL 0.39–0.40, PW 0.40–0.41. Elytra wider than long, EL 0.56–0.58, EW 0.63–0.64, covered by short pubescence. Protibiae (Fig. 3A) triangularly expanded laterally near middle; metafemora simple. Abdomen narrower than elytra, AL 0.35–0.36, AW 0.58–0.59; tergite IV simple in structure. Aedeagus (Figs 3B, C) length 0.18, well-sclerotized, with elongate dorsal lobe.
Female. Measurements: BL 1.65–1.69, HL 0.34–0.35, HW 0.40–0.41, PL 0.38–0.39, PW 0.40–0.41, EL 0.53–0.54, EW 0.62–0.63, AL 0.40–0.41, AW 0.58–0.60.
Generally similar to male; eyes smaller, each composed of about 25 facets; tergite VIII (Fig. 3D, E) with serrate posterior margin; genital complex (Fig. 3F) transverse, width 0.27, well sclerotized.
Distribution
South China: Hainan.
Etymology
The specific epithet refers to the type locality.
Original Description
- Yin, Z; Li, L; 2012: Two new species and new record of Batricavus Yin & Li (Coleoptera, Staphylinidae, Pselaphinae) from China ZooKeys, 215: 33-39. doi
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