The paper is published to provide valid names for various Eulophid parasites recently submitted for identification, in connection with certain research projects in Africa. Included are descriptions ofCirrospilus alternatus sp. n.,Pediobius derroni sp. n.,P. retis sp. n.,P. multisetis sp. n.,P. balyanae, P. madas sp. n. andThripobius semiluteus sp. n. a redescription synonymic and taxonomic notes concerning the genusStenomesius Westwood and some of its species, some species ofNesolynx Ashmead and ofPediobius Walker, and keys to the African species ofNesolynx and to the genera ofEntedontinae parasitic on Thysanoptera.