Pettey, F.W. 1947 The biological control of prickly pears in South Africa.. Entomology Series, Department of Agriculture, Union of South Africa [Science Bulletin 271] 22(1948): 1-163.

Keywords:

biological control

Notes: Information is given on the importation, breeding, distribution, destruction imposed on Opuntia megacantha, and predator of Dactylopius opuntiae.