Fall Armyworm (Lepidoptera: Noctuidae) Oviposition: Crop Preferences and Egg Distribution on Plants
Authors: Pitre, Henry N.; Mulrooney, Joseph E.; Hogg, David B.
Source: Journal of Economic Entomology, Volume 76, Number 3, June 1983 , pp. 463-466(4)
Publisher: Entomological Society of America
Abstract:Of eight crop plant species evaluated for egg-laying preference (egg masses deposited) by the fall army worm, Spodoptera frugiperda (J. E. Smith), ryegrass, wheat, corn, and sorghum were the most preferred, whereas cotton and soybean were the least preferred. Older (54 to 64 days) and larger corn, colton, sorghum, and soybean plants were strongly preferred for egg laying compared with the younger, smaller plants (22 to 42 days). Egg masses were concentrated on leaves between nodes 4 to 9 (x = 7.1) on corn, 3 to 9 (x = 6.1) on sorghum, 5 to 9 (x = 7.7) on cotton, and 4 to 9 (x = 6.3) on soybean. The under surface of the leaves of each of the four crop species above was preferred over the upper surface for egg deposition—100% for colton and soybean, 92% for sorghum, and 70% for corn.
Document Type: Research Article
Publication date: June 1983
- 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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