Two new Cyclocosmia (Araneae: Ctenizidae) from Thailand

Abstract

Two new species of the peculiar trapdoor spider genus Cyclocosmia, C. siamensis sp. n, and C. lannaensis sp. n., are described from male and female specimens collected in Thailand and are compared with C. ricketti (Pocock) from China. Notes are given on taxonomic characters, variation, relationships, biology and the distribution of all three species.