none Gregopimpla kuwanae was the most common parasitoid of cocoons of the silver Y moth. Other less common parasitoids were: Ephialtes capurifera, Acropimpla pictipes, Coccygomimus instigator, C. pluto, Scambus planatus, Scambus sp. Itoplectis alternans spectabilis, Netelia sp. (Ichneumonids), Copidosoma floridanum (Encyrtid), Phryxe vulgaris, Winthemia cruentata, Nemorilla floralis (Diptera, Calcidoidea). The rate of parasitism of cocoons was about 70%. In several cases, two species of parasitoid parasitized the same individual.