A new species of the myrmecophilous genus Cryptocephalomorpha Ritsema, 1875, from the Indochinese Peninsula (Coleoptera, Carabidae, Pseudomorphini)

Based on specimens collected in southern Cambodia and western Thailand, Cryptocephalomorpha thom sp. nov., a new species of the genus Cryptocephalomorpha Ritsema, 1875 (Coleoptera, Carabidae, Pseudomorphini), is described. This study provides the first confirmed Cambodian record of the tribe and documents the occurrence of the new species in Cambodia and Thailand. A key to the Oriental genera of Pseudomorphini and an updated key to the Oriental species of the genus are provided, together with a description and illustrations of the new species.