Author Affiliations +
J. M. Webb,* W. P. McCafferty*
*(JMW) Department of Environmental Management and Ecology, La Trobe University, Albury/Wodonga Campus, P.O. Box 821, Wodonga, Victoria, Australia 3689, (e-mail: jmw975@yahoo.com); (WPM) Department of Entomology, Purdue University, West Lafayette, IN 47907, U.S.A. (e-mail: mccaffer@purdue.edu)