Batrisodes longwangshanus
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Batrisodes
Name
Batrisodes longwangshanus Yin, Shen & Li sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
(6 ♂♂, 3 ♀♀). Holotype: China: ♂, labeled ‘China, Zhejiang, Anji County [安吉县], Longwang Shan N. R. [龙王山], Qianmutian–Qianmu Peak [千亩田–千亩峰], 30°23’47’’N, 119°26’17’’E, 1250–1450 m, mixed leaf litter, sifted, 14.v.2013, Chen & Pan’ (SNUC). Paratypes: China: 5 ♂♂, 3 ♀♀, same label data as holotype (SNUC).
Description
Male (Fig. 4A). Body reddish brown, BL 2.23–2.24 mm. Head slightly wider than long, HL 0.46–0.48 mm, HW 0.50–0.51 mm; with big vertexal foveae; frons lacking modification, slightly concave between moderately raised antennal tubercles; clypeus granulate along round anterior margin; lateral vertexal carinae present from level of midpoints of eyes to posterolateral margins of head, lacking median vertexal carina; each eye composed of about 15 facets, with ocular canthi; postgenal area with numerous long erect setae visible in dorsal view. Antennal clubs (Fig. 5A) loosely formed by apical three antennomeres, lacking modification. Pronotum slightly longer than wide, PL 0.47–0.50 mm, PW 0.46–0.47 mm; disc slightly convex; median and lateral longitudinal sulci distinct; lacking median antebasal fovea; with discal and antebasal tubercles along discal ridges, with distinct basolateral tubercles. Elytra wider than long, EL 0.61–0.62 mm, EW 0.73–0.74 mm; each elytron with three large nude basal foveae; with shallow discal striae; marginal striae complete. Protibiae (Fig. 5B) constricted at apical third; mesotrochanters (Fig. 5C) with big ventral spine, mesofemora (Fig. 5C) with small, blunt ventral spine, mesotibiae (Fig. 5D) with sharp ventral denticle and acute apical spur; metatibiae (Fig. 5E) with long apical tuft of setae. AL 0.64–0.69 mm, AW 0.70–0.72 mm; abdominal tergite IV (first visible tergite) with oblique marginal carinae; discal carinae short. Length of aedeagus (Fig. 5F–H) 0.37 mm, median lobe nearly symmetric, with one thin, short and another large, curved styli at right side of apicolateral margin. Female. Slightly smaller than male, legs lacking modification and spine; each eye composed of about 8 facets. Tergite VIII (Fig. 5I) and sternite VIII (Fig. 5J) transverse. Genital complex (Fig. 5K) weakly sclerotized, width 0.23 mm. BL 2.05–2.14 mm, HL 0.42–0.46 mm, HW 0.48–0.52 mm, PL 0.45–0.46 mm, PW 0.43–0.45 mm, EL 0.57–0.60 mm, EW 0.70–0.72 mm, AL 0.61–0.62 mm, AW 0.65–0.67 mm.
Differential diagnosis
Batrisodes longwangshanus can be separated from all other congeners by a combination of the simple antennal club, the presence of the ocular canthi, the dentate mesotrochanter, mesofemora, and mesotibiae, and the unique form of the aedeagus.
Biology
All adults were collected from leaf litter samples in a mixed forest.
Distribution
Eastern China: Zhejiang.
Etymology
The specific epithet refers to the type locality of the new species, Longwang Mountain.
Original Description
- Yin, Z; Shen, J; Li, L; 2015: New species and new combinations of Asian Batrisodes Reitter (Coleoptera, Staphylinidae, Pselaphinae), and synonymy of Batrisodellus Jeannel with Batrisodes Deutsche Entomologische Zeitschrift, 62(1): 45-54. doi
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