ARCHIVES IN~~CT BIOCHEMISTRY AND PHYSIOLOGY Published in collaboration A. Krishna Kumaran, Executive Editor Entomological Society of America Barbara DeNoyer, Editorial Assistant Department of Biology Marquette University 0 530 North 15th Street 0 Milwaukee, WI 53233 0 FAX 414-288-7357 Gerald Bergtrom, Associate Editor EDITORIAL BOARD G.J. B l o m q u i s t Department of Biochemistry University of Nevada at Reno Reno, Nevada D.B o r o v s k y Florida Medical Entomology Laboratory University of Florida, IFAS Vero Beach, Florida W.S. Bowers Department of Entomology College of Agriculture University of Arizona Tucson, Arizona I. I s h a a y a Institute of Plant Protection The Volcani Center Bet Dagan, Israel D. Jones Graduate Center for Toxicology University of Kentucky Lexington, Kentucky H.R. Kim Department of Biology Korea University Seoul, Korea J. K o o l m a n L. Brattsten Rutgers State University Cook College New Jersey Agncultural Experiment Station Department of Entomology and Zoology New Brunswick, New Jersey G.M. C h i p p e n d a l e Department of Entomology University of Missouri Columbia, Missouri R.G.H. D o w n e r Department of Biology University of Waterloo Waterloo, Ontario, Canada L.I. G i l b e r t Department of Biology University of North Carolina at Chapel W1 Chapel Hill, North Carolina H.H. H a g e d o r n Department of Entomology University of Arizona Tucson, Arizona ... . Physiologisch-Chemisches Institut der Universitat Marburg Marburg, Germany R. L a f o n t Ecole Normale Superieure d u Laboratoire d e Zoologie Paris, France H. Laufer Department of Molecular and Cell Biology The University of Connecticut Storrs, Connecticut R.T. M a y e r USDA, ARS U.S. Horticultural Research Lab Orlando, Florida J.J. M e n n USDA, ARS, BA Plant Sciences Institute Beltsville, Maryland . 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