Abstract
A statewide survey of New Jersey was carried out during 2001 to determine the current establishment and distribution of introduced natural enemies of euonymus scale. One hundred twenty-two sites were surveyed, and their location was recorded. Euonymus scale infestations were recorded at 89% of the sites surveyed. The most commonly encountered natural enemies were Cybocephalus sp.nr. nipponicus Enrody-Younga, Chilocorus kuwanae Silvestri, and the endoparasitoid, Encarsia citrina Craw. Neither of the introduced aphelinid parasitoid species, Encarsia sp.nr. diaspidicola (Silvestri) and Aphytis proclia (Walker), were recovered from the collection sites. The geographic distributions of the most commonly encountered natural enemies of euonymus scale are discussed.
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