Belousov I.A., Kabak I.I. 2021. Three new species of the genus Trechus Clairville, 1806 from Sichuan (Coleoptera: Carabidae: Trechini) // Russian Entomol. J. Vol.30. No.4: 401–412 [in English].
ABSTRACT. 3 new species of ground beetles of the genus Trechus Clairville, 1806 are described from the basin of the Zagunao River (China, Sichuan Province): T. xiongmao sp.n. from the mountains located west of the village of Shangmeng, NW of Lixian City, T. comma sp.n. and T. sharovae sp.n., both from the upper valley of the Sanchagou River located north of the Tonghua Township, between Lixian and Wenchuan cities. Two species groups are defined to incorporate the new species: T. sharovae sp.n. belongs to the validicollis species group while the two other species – to the xiei species group. Photographs of habitus are provided and the median lobe of aedeagus is illustrated for each species.
KEY WORDS: Trechini, taxonomy, China, Sichuan.