Chumakova, B.M., & Goryunova, Z.S. 1963 Development of males of Propsaltella perniciosi Tow. (Hymenoptera, Aphelinidae), parasite of San Jose scale (Homoptera, Coccoidea).. Entomological Review 42: 178-181.

Notes: The males of the San Jose scale parasite Prospaltella perniciosi develop as internal parasites of the female larvae of their own species.