Author Affiliations +
I. G. Oberholzer,1 D. L. Mafokoane,1 M. P. Hill2,*
11Agricultural Research Council, Plant Protection Research Institute, Private Bag X134, Queenswood, P
22Department of Zoology and Entomology, Rhodes University, P.O. Box 94, Grahamstown, 6140 South Afric
**To whom correspondence should be addressed. E-mail: m.p.hill@ru.ac.za