Marking of Boll Weevils Inside Cotton Squares with Calco Oil Red N-1700

Author: Johnson, W. L.

Source: Journal of Economic Entomology, Volume 73, Number 5, October 1980 , pp. 664-664(1)

Publisher: Entomological Society of America

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Boll weevils, Anthonomus grandis grandis Boheman, were marked in growing cotton without any manual or mechanical manipulation of the insect by injecting Calco Oil Red N-1700® dye into the square with a syringe. After 21 days as an adult, 199 of 203 marked boll weevils contained enough dye to be seen readily under the integument of the abdomen. The 4 boll weevils not detected by the visual examination were found to be marked after being crushed and placed in a small vial containing acetone and a strip of filter paper.

Document Type: Research Article

Publication date: October 1, 1980

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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