Abstract
A study of the moth parasitoid complex attacking gypsy moth, Lymantria dispar (L.) was carried out in Primorye territory, Russia Far East. Season-long collections at three sites in the Vladivostok area and collections at seven sites of central region of Primorye revealed the 18 primary parasites: one egg parasitoid, 11 larval parasitoids, one larval-pupal parasitoid, one parasitic nematode, one ectoparasitoid, and three diseases including NPV (nuclear polyhedrosis virus) and Entomophaga maimaiga. Phobocampe species (Ichneumonidae) dominated the parasitoid complex, parasitizing 5.5% of the larvae in the Vladivostok area and 9.3% in central Primorye, rates which are much higher than those detected from other Asiatic regions of Russia and Northeastern Asia. The insect parasitoid complex was found to be somewhat depauperate. The 11.8% average total parasitism in eastern Russian is similar to the 12% recorded in the US. Both regions have large gypsy moth outbreaks, but other factors including diseases have compensated for the rather low mortality exerted by the parasitoid complex in the Russian Far East.
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