McCay, A.S. 1981 Studies of some potential biocontrol agents for Parthenium hysterophorus in Mexico.. Proceedings of the Fifth International Symposium on Biological Control of Weeds. Commonwealth Scientific and Industrial Research Organization (CSIRO), Australia Melbourne 649 pp.

Notes: [Conference held in Brisbane, Australia 22 to 29 July 1980.] Among the species recorded on Ceroplastes cirripediformis, Eriococcus toumeyi, Ferrisia virgata, Lecanium sp. P. hysterophorus in Mexico are Icerya ?littoralis, I. purchasi, Orthezia praelonga, O. pseudinsignis, Parasaissetia nigra, Phenacoccus sp. nr. defectus, P.? gossypii, P. solani, Pseudococcus obscurus, Pulvinaria group, and Saissetia miranda.