Native and Exotic Rosaceous Hosts of Apple, Plum, and Quince Curculio Larvae (Coleoptera: Curculionidae) in the Northeastern United States

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Abstract:

Native and exotic rosaceous fruits were sampled to determine hosts of apple curculio, Anthonomus quadrigibbus Say, plum curculio, Conotrachelus nenuphar (Herbst), and quince curculio, C. crataegi Walsh, larvae. One or more species of these univoltine weevils infested 22 of 24 (91.7%) rosaceous species, including 13 native ones. Weevil infestations tended to be greater in exotic fruits than native fruits. The plum curculio had the broadest host range (19 species), followed by the apple curculio (9 species), and the quince curculio (6 species). Principal apple curculio hosts were native Amelanchier spp., Crataegus spp., and Prunus serotina Ehrhart. The apple curculio did not attack apple, Malus domestica Borkhausen, or most other exotic fruits in areas sampled. Ten native fruits, mainly Amelanchier spp. and Prunus spp., and nine exotic orchard fruits were infested by the plum curculio. The quince curculio developed in fruits of two native Crataegus spp. and four exotic orchard species. Selective removal of wild rosaceous reservoirs of these curculios may reduce fruit damage in commercial orchards.

Document Type: Research Article

Publication date: August 1, 1990

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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