Thorpe, W.H. 1931a The biology, post-embryonic development, and economic importance of Cryptochaetum iceryae (Diptera, Agromyzidae) parasitic on Icerya purchasi (Coccidae, Monophlebini).. Proceedings London. Zoological Society 1930: 929-971.

Notes: Topics discussed include details of the egg site in the haemocoel of the host, usually during the second instar, and effectiveness of Icerya purchasi control.