Two new species and new records of the genus Astenus from Madagascar (Coleoptera: Staphylinidae: Paederinae).

Two new species of the genus Astenus Dejean, 1833, A. ambohitantelyensis Janak & Baňař, sp. nov. and A. grebennikovi Janak & Baňař, sp. nov. from Madagascar are described and illustrated. New records of eleven additional species are presented.