Contributors
K e i o A i z a w a , Virus Laboratory, Sericultural Experiment Station, Sw- ginami-ku, Tokyo, Japan
H . A r u g a , Faculty of Agriculture, University of Tokyo, Bunkyo-ku, Tokyo, Japan
G e o r g B e n z , Entomological Laboratory, Swiss Federal Institute of Tech
nology, Zurich, Switzerland
G e r n o t H . B e r g o l d , Instituto Venezolano de Investigaciones Cientificas, Caracas, Venezuela
M a r i o n A . B r o o k s , Department of Entomology and Economic Zoology, University of Minnesota, St. Paul, Minnesota
A. W. A. B r o w n , Department of Zoology, University of Western Ontario, London, Canada
M . F. D a y , Commonwealth Scientific and Industrial Research Organi
zation, Canberra, Australia
J a n e t E. H a r k e r , Zoological Laboratory, University of Cambridge, Cam
bridge, England
H . L . H o u s e , Entomology Research Institute for Biological Control, Canada Department of Agriculture, Belleville, Ontario, Canada
A l o i s H u g e r , Biologische Bundesanstalt für Land- und Forstwirtschaft, Institut für biologische Schädlingsbekämpfung, Darmstadt, Germany
J o h n P a u l K r a m e r , Section of Economic Entomology, State Natural History Survey Division, Urbana, Illinois
A l o y s i u s K r i e g , Biologische Bundesanstalt für Land- und Forstwirtschaft, Institut für biologische Schädlingsbekämpfung, Darmstadt, Germany
I r w i n I. O s t e r , The Institute for Cancer Research, Philadelphia, Penn
sylvania
K e n n e t h M . S m i t h , Agricultural Research Council, Virus Research Unit, Cambridge, England
V
vi CONTRIBUTORS
EDWARD Α . STEINHAUS, Department of Insect Pathology, University of California, Berkeley, California
JU N E M . STEPHENS, Entomology Research Institute for Biological Control, Canada Department of Agriculture, Belleville, Ontario, Canada
C . VAGO, Institut National de la Recherche Agronomique, Laboratoire de Cytopathologie, St. Christol-Les-Ales (Gard), France
VI CONTRIBUTORS
E d w a r d A. S t e i n h a u s , Department of Insect Pathology, University of California, Berkeley, California
J u n e M. S t e p h e n s , Entomology Research Institute for Biological Control, Canada Department of Agriculture, Belleville, Ontario, Canada C. V a g o , Institut National de la Recherche Agronomique, Laboratoire
de Cytopathologie, St. Christol-Les-Ales (Gard), France
