Movements and Feeding of Larvae of the Southwestern Corn Borer1 on Two Stages of Corn Growth2

Authors: DAVIS, FRANK M.; HENDERSON, C. A.; SCOTT, GENE E.

Source: Journal of Economic Entomology, Volume 65, Number 2, April 1972 , pp. 519-521(3)

Publisher: Entomological Society of America

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Abstract:

On whorl-stage com. mast of the larvae of Diatraea graudiosella Dyar moved from the site of hatch to .the inner whorl where they fed for about 10 days on Immature leaves. Then the larvae left the whorl zone, moved down the stalk, bore(l into the stalk, and tunneled. On tassel-stage corn. most newly hatched larvae moved into the middle (ear) zone of the corn plant and fed 7-9 days between the husk layers of the primary ears and ear shoots. Later, they fed on the kernels, cob, and shank of the car. Their movement from the primary cars and ear shoots to the stalk occurred mostly between 15 and 20 days after egg hatch.

Document Type: Research Article

Publication date: April 1, 1972

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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