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The cotton-insect problem in Nicaragua is in many respects similar to that in the United States. The most serious pests arc the boll weevil (Anthonomus grandis Boh.) and Sacadodes pyralis Dyar, a Phalaenid which bores into bolls. The boll weevil pl1.sses the dry season between crops in old cotton fields. Reproduction apparently ceases during this time. Early infestations in young cotton were heaviest in fields planted before the usual date. Peak infestations occurred when the crop was approaching maturity. The life cycle is similar to that in the United States. Sacadodes also was generally a late-season pest, and was particularly serious in late-planted fields. Infestations of both insects were reduced by means of insecticides, but increases in yield were small.
Document Type: Research Article
Publication date: April 1, 1960
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.