Effects of Chlorpyrifos on Food Utilization and Detoxifying Enzymes and Acetylcholinesterase of Lymantria dispar AFLP Analysis of Different Geographic Populations of the Gypsy Moth, Lymantria dispar (Lepidoptera: Lymantriidae) The synergistic action and UV protection of optical brightener on three different geographic isolates of Asian Gypsy Moth Nucleopolyhedrovirus (LdMNPV) Influence of temperature on insect-resistance of transgenic hybrid poplar 741. Effect of a Fluorescent Brightener, Host Plants and Geographic Strains of LdNPV on the Phenoloxidase Activity of Gypsy Moth Larvae