| abstract | Four new species of stigmaeid mites are escribed from Thailand, and Agistemus terminalis (Quayle) is recorded from this country for the first time. Teh new species are: Eryngiopus yasumatsui, Agistemus thaianus, A. giganteus, and A. siamensis. The female anogenital region of a Japanese species Agistemus citrinus Ehara is illustrated in comparison with that of A. thaianus. |