Klein, M., Department of Entomology, Hebrew University of Jerusalem, P.O.B. 12, Rehovot, Israel
Frederick, R., Department of Microbiology and Immunology, Warner‐Lambert Research Institute, Morris Plains, New Jersey, 07950, United States
Maramorosch, K., Insect Physiology and Virology, Boyce Thompson Institute, Yonkers, New York, 10701, United States

[No abstract available]