Description of Stepanovia rosaeformis sp. nov. from Bulgaria (Hymenoptera, Eulophidae)

A new species of the genus Stepanovia Kostjukov (Hymenoptera, Eulophidae, Tetrastichinae), Stepanovia rosaeformis Boyadzhiev & Antov sp. nov., is described and illustrated. It was reared from galls of Diplolepis rosae (Linnaeus) (Cynipidae) on Rosa spp. (Rosaceae). A key to the species of Stepanovia associated with galls of Cynipidae is presented.