Trissemus clavatus (Motschulsky, 1851)

Mei, Jun, Xu, Kunling, Huang, Yuyi, Zhang, Jingwei, Qian, Qitao, Dong, Jia, Tong, Fudan, Yu, Wei & Miao, Meng, 2021, Inventory Studies on the Subfamily Pselaphinae (Coleoptera, Staphylinidae) of Myanmar Part 5: A List of Collected Species in Yezin, Nay Pyi Taw in February 2020, Bulletin of the National Museum of Nature and Science. Series A, Zoology 47 (3), pp. 129-134 : 132

3. Trissemus clavatus (Motschulsky, 1851) * ( Fig.

3C)

Specimens examined. 22 exs., 18–19 LP ; 5 exs., 19–20 LP .

Remarks. Trissemus clavatus described from Culcutta (=Kolkata), India has been known from Japan since Besuchet (1999). Many specimens of this species were collected by light traps in Yezin as shown above. It is remarkable as a common species between Myanmer and Japan. In Fig. 4 , the male antennal club and the male genitalia are compared between both countries, and there are no gaps in structure between them.

Figures

Fig. 3. Pselaphine species recognized in Yezin, Nay Pyi Taw. A. Bibloporus? sp.; B. Euplectodina hipposideros (Schaufuss, 1877); C. Trissemus clavatus (Motschulsky, 1851); D. Batraxis raffrayi (Blattný, 1925); E. Eupines sphaerica (Motschulsky, 1851); F. Pselaphus multangulus Schaufuss, 1877; G. Ctenistes sp. 1; H. Centrophthalmus helferi Blattný, 1925; I. C. sp. 1; J. C. sp. 2.

Fig. 4. Male characters of Trissemus clavatus (Motschulsky, 1851) collected from Myanmar and Japan. A, C, E. Trissemus clavatus from Yezin; B, D, F. ditto, from Okinawajima Is., Japan. A, B. antenna; C, D. antennal club; E, F. male genitalia in ventral view.