Ferrer, F. 2001 Biological control of agricultural insect pests in Venezuela; advances, achievements, and future perspectives.. Biocontrol News and Information 22(3): 67N-74N.

Notes: Biological control has been practised in Venezuela from the beginning of the 20th century, beginning with the classical introductions of Rodolia cardinalis for controlling Icerya purchasi, Aphelinus mali for the woolly apple aphid (Eriosoma lanigerum), and Apanteles thurberiae for the cotton pest Sacadodes pyralis.