Influence of Food, Age, and Mating on Production of Fertile Eggs by Japanese Beetles (Coleoptera: Scarabaeidae)

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Female Japanese beetles, Popillia japonica Newman, collected at different times from the field were confined over soil both with and without males and fed either sassafras foliage, Sassafras albidum (Nutt.) Nees, or apple fruit, Malus sylvestris Mill. Within each food source, the presence of males had no influence on numbers of eggs produced or on their fertility. However, females that had fed on sassafras, from all collection dates, produced significantly more fertile eggs than females confined to apples; females fed on sassafras also lived for longer periods. By increasing longevity of female beetles, sources of food may permit increased production of fertile eggs.

Document Type: Research Article

Publication date: February 1, 1987

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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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