Pselaphodes subtilissimus Yin, Li & Zhao,

Yin, Zi-Wei, Li, Li-Zhen & Zhao, Mei-Jun, 2010, Taxonomical study on the genus Pselaphodes Westwood (Coleoptera: Staphylinidae: Pselaphinae) from China. Part I., Zootaxa 2512, pp. 1-25: 21-22

publication ID 10.5281/zenodo.294046

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scientific name

Pselaphodes subtilissimus Yin, Li & Zhao

sp. nov.

Pselaphodes subtilissimus Yin, Li & Zhao  sp. nov.

( Figs. 12View FIGURES 9 – 12, 24View FIGURES 13 – 24, 39, 40, 41, 75, 76, 77, 89, 101, 124, 125, 137, 149, 164, 165, 175)

Type material. Holotype: CHINA: Yunnan Prov.: 3, Nabanhe N. R., Guomenshan Mt. (22 °01’ 26 ”N 100 ° 53 ’ 32 ”E), elev. 1,030 m, Jia-Yao Hu & Liang Tang leg., 21.ix. 2008 ( SHNUC).

Description. Male. Body ( Fig. 12View FIGURES 9 – 12) reddish-brown, maxillary palpi and tarsi lighter in color; body length 3.39 mm, combined width of elytra 1.32 mm.

Head longer than wide, frontal margin anterior to eyes narrowed. Antenna ( Fig. 101View FIGURES 90 – 101) covered with pubescence, with scape as long as next three segments combined, pedicel short, antennomeres III –VII about equal in length, VIII shorter about as long as pedicel, IX –XI clubbed, each elongate, IX more than twice as long as VIII, about 1.25 times as long as X, rounded at apex. Maxillary palpus ( Fig. 149View FIGURES 138 – 149) with palpomere I minuscule, II short and pedunculate, II –IV each protuberant on lateral margin. Mandibles ( Fig. 137View FIGURES 126 – 137) very similar to those of P. cornutus  .

Pronotum longer than wide, narrowed from basal two-thirds toward apex. Elytra ( Fig. 24View FIGURES 13 – 24) similar to those of P. declinatus  . Hind wing ( Fig. 89View FIGURES 86 – 89) similar to that of P. miraculum  , but straight at posteroapical margin. Legs (Fig. 75–77) extremely elongate, not armed with spines.

Abdomen (Figs. 39–41) with tergite IV more than twice as long as V; tergite VIII (Fig. 125) close to that of P. latilobus  , sternite VIII (Fig. 124) most similar to that of P. torus  , but more deeply emarginate apically.

Aedeagus ( Figs. 164, 165View FIGURES 162 – 173) with median lobe expanded, widest at middle, then narrowed toward apex; endophallus ( Fig. 175View FIGURES 174 – 186) with three well-sclerotized spines, each narrowed at apex, middle one longest, left one shortest. Parameres paired, each elongate, rounded at apex, with three long apical setae.

Female unknown.

Remarks. This species is characterized by its extremely elongate legs, and unique shape of the aedeagus.

Distribution. China (Yunnan Province).

Etymology. The species name is an adjective (" subtilissimus  " (Latin) means "the most slender, delicate") and refers to the elongate legs of the species.