A revision of the north-western European species of the vitripennis. pallipes, octonarius. triangulator, fraternus, formosus. parasitellae, metacarpalis and circumscriptus - groups of Apanteles Forster (Hymenoptera, Braconidae). Bulletin Ent Research, 63(2) 1973: 169-230. 181 [Zoological Record Volume 110]