K. Heliövaara, R. Väisänen, M. Varama & M. Viitasaari 1992: Gynadromorphic Individuals of Neodiprion sertifer (Hymenoptera, Diprionidae). - Entomologica Fennica 3: 149-153.
Six gynandromorphic individuals of Neodiprion sertifer (Geoffrey) are described from Finland. They were bilaterally gynandromorphic, mosaic-like gynandromorphic or only showed such characters in their head or abdomen.