Authors: Boetel, M. A.; Walgenbach, D. D.; Hein, G. L.; Fuller, B. W.; Gray, M. E.

Source: Journal of Economic Entomology, Volume 85, Number 1, February 1992 , pp. 246-249(4)

Publisher: Entomological Society of America

Abstract:

Oviposition habits of adult Diabrotica bar-beri Smith & Lawrence were studied in relation to varying sources of vegetative cover during 1986 and 1987 at three locations in east central South Dakota. Treatments included the following: Corn, Zea mays L.; soybeans, Glycine max L.; simulated volunteer oats, Avena sativa L.; a mixture of green and yellow foxtails, Setaria viridis (L.) Beauvois and S.lutescens (Weigel) Hubb.; Common lambsquarters, Chenopodium album L.; redroot pigweed, Amaranthus retroflexus L.; and Pennsylvania smartweed, Polygonum pennsylvanicum L. Sticky trap data indicated the presence of high beetle populations in plot areas during both years. Totals of 3,447, 8,758, and 14,178 D. barberi were captured at Aurora, Rutland, and Wentworth, respectively. Typically, greater numbers of adults were captured in the Corn plots; however, high numbers were also present within all other treatments. Soil sampling conducted before D. barberi oviposition produced overall means of 1.81, 0.23, and 0.06 eggs per 0.47-liter sample at Rutland, Aurora, and Wentworth, respectively, and indicated that negligible numbers of diapausal eggs were present. Egg recovery after oviposition was significantly (P < 0.01) higher in Corn plots than in nonCorn plots, thus indicating that cornfields provide the preferred site for D. bar-beri oviposition.

Document Type: Research article

Publication date: 1992-02-01

More about this publication?

• 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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