The eleven Melanesian species of the genera Perisphincter Townes and Agrypon Foerster, endophagous parasites of Lepidoptera larvae, are revised, and a key to them is given. One species of Perisphincter, P. toxeres sp. n., and six species of Agrypon, A. augrhantum sp. n., A. ambomum sp. n., A. celenellum sp. n., A. rhamphidum sp. n., A. apistum sp. n. and A. phlogeum sp. n., are described. A. nigricans Szépligeti is placed as a synonym of A. caliginosum (Tosquinet).