New or little-known species of the genus amphimenes bates, 1873 (Coleoptera, Carabidae, Lebiinae) from Vietnam

Abstract

Twelve new species of the genus Amphimenes Bates, 1873 are described from Vietnam: A. maculatus sp. n., A. bidoupensis sp. n., A. gracilis sp. n., A. montanus sp. n., A. giganteus sp. n., A. medius sp. n., A. minutus sp. n., A. rufipes sp. n., A. reflexicollis sp. n., A. planicollis sp. n., A. nitidus sp. n., and A. kabakovi sp. n. Amphimenes rugulipennis Bates, 1892, comb. n., is transferred from the genus Brachichila Chaudoir, 1869 and is redescribed from fresh material. A key to all congeners is provided, these being arranged into five new species-groups. Adults of the rugulipennis- and piceolus-groups show subcortical habits, while those of the medius-, rufipes- and planicollis- groups are herpetobiotic, resulting in such morphological adaptations as partly reduced eyes, missing wings and adnate elytra.