THE INSECT FAUNA OF SELAGINELLA (PTERIDOPHYTA, LYCOPSIDA), WITH DESCRIPTIONS OF 3 NEW SPECIES

Sixteen species from the following six orders of insects have been rec orded as breeding on pteridophytes of the Lycopsida: Homoptera, Thysan optera, Mecoptera, Diptera, Hymenoptera and Lepidoptera. All but one o f these is from Selaginella, the exception being a pyralid moth from L ycopodium in Hawaii. Three new species are described from Selaginella eurynota in Costa Rica: Aleurotulus pteridophytae Martin sp. nov. (Hom optera, Aleyrodidae), Encarsia sueloderi Polaszek sp. nov. (Hymenopter a, Chalcidoidea), a parasitoid which was reared from the whitefly, and Echinothrips selaginellae Mound sp. nov. (Thysanoptera, Thripidae).