Kryptosega mweramwera Villemant n. sp. (Insecta, Hymenoptera, Chrysididae, Amiseginae) is the first Chrysididae species recorded from Vanuatu. It was collected with Malaise traps on the Espiritu Santo Island during the SANTO 2006 expedition. The genus Kryptosega Kimsey, 1986 known to date by only two species, is recorded here for the first time outside of Papua New Guinea.
Insecta, Hymenoptera, Chrysididae, Amiseginae, Vanuatu, new species.