Fry, J.M. 1989, Natural enemy databank, 1987. A catalogue of natural enemies of arthropods derived from records in the CIBC Natural Enemy Databank.
CAB International, Wallingford, Oxford, UK
Potter, D.A.; Gordon, F.C. 1985, Parasites associated with the native holly leafminer Phytomyza illicola Loew (Diptera: Agromyzidae) on American holly in Kentucky. Journal of the Kansas Entomological Society 58:727-730