Research Interests Chitin biochemistry Genes coding for chitin synthase in insects Photostabilization of biocontrol agents Resistance and resistance management of insect pests Biochemical mechanisms of resistance in insect pests Biological clocks and circadian rhythms in insects Patents and awards: 1985 Israel Patent No 71377 (with Dr. L. Margulis and Dr. H. Rozen) Photostabilization of Pesticides. 1987 An award from the Pesticide Research and Development Fund for the research on protection of pesticides from photodegradation. 1993 Recipient of a fellowship by the Japanese Society for the Promotion of Science (JSPS).