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Red Imported Fire Ant (Hymenoptera: Formicidae): Correlation of Ant Density with Damage to Two Cultivars of Potatoes (Solanum tuberosum L.)

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Red imported fire ants, Solenopsis indicts Burden, damaged 12.2-26.1% of 'Sago' and 'Russet' potatoes (Solarium tuberose L.) in small-plot field tests in 1983- 1985 and caused severe damage to commercial plantings of potatoes in the Hastings area of northeastern Florida. The extent of potato loss in both small plots and commercial fields was positively correlated with numbers of ants caught per bait trap. Average numbers of ants trapped varied from 2 to 205 per bait. The United States Standards for Grades of Potatoes define severe damage as that which results in the loss of >10% of the total weight of the potato; our data indicate severe damage occurs when the average ant catch per trap exceeds 80. This information can be useful to growers for determining when costs of ant control are economically feasible.

Document Type: Research Article

Publication date: June 1, 1988

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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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