Sinotrisus nomurai
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Sinotrisus
Name
Sinotrisus nomurai Yin, Li & Zhao – Wikispecies link – Pensoft Profile
- Sinotrisus nomurai Yin, Li & Zhao, 2010: 251.
Type material examined
Holotype, male, labeled ‘China: Zhejiang Prov. / W. Tianmushan Mt. / firebreak / 01.v.2009, 1,400 m / Xiao-Bing SONG leg. // HOLOTYPE [red] / Sinotrisus nomurai sp. n. / Yin and Li / det. 2010, SNUC’. Paratype, male, same label data as holotype, with the following label: ‘PARATYPE [yellow] / Sinotrisus nomurai sp. n. / Yin and Li / det. 2012, SNUC’.
Diagnosis
Vertex modified in the male. Antennomeres VII transverse. Pronotum lacking spines along discal ridges; basolateral foveae broad. Mesotibiae with one tiny and one long apical spur.
Redescription
Male. Length 3.30. Head (Fig. 3A) wider than long, HL 0.57, HW 0.71; surface convex anterior and posterior to vertexal foveae, forming median angulate projection; with distinct occipital carinae; postocular margins evenly narrowed toward head base; antennomeres IV (Fig. 3B) smaller than VI, IX–X transverse, XI nearly oval, clubs indistinct. Pronotum about as long as wide, PL 0.66, PW 0.68; mediobasal impression longitudinally oval, lacking median antebasal fovea; paranotal carinae extending through length of prosternum. Elytra slightly wider than long, EL 1.06, EW 1.18; angulate at humeri. Mesotrochanters (Fig. 3C) with long ventral spine slightly curved toward base in apical half; mesotibiae with apical spur (Fig. 3D) longer than first tarsomeres; metatrochanters (Fig. 3E) with blunt triangular tubercle and large elongate protuberance at ventral side. Abdomen slightly wider than long, AL 0.96, AW 1.08; tergites and sternites V–VII with basolateral ridges successively shorter and thinner. Aedeagus (Figs 3F–I) well-sclerotized, length 0.42.
Female. Unknown.
Distribution
East China: Zhejiang.
Host ant
Lasius sp.
Taxon Treatment
- Yin, Z; Nomura, S; Li, L; 2012: A taxonomic revision of the genus Sinotrisus Yin & Li (Coleoptera, Staphylinidae, Pselaphinae) ZooKeys, 205: 45-57. doi
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