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Studies made at the Wisconsin Experiment Station in 1924-1925 show variations, partly correlated to temperature, in the period from egg laying to capping of worker brood cells from less than 8 days to more than 11 days, majority being capped between the 8th and 9th days. Variations for complete development ranged from less than 19 7/8 days to more than 24 days. One set of experiments showed approximately 75 per cent of 4094 workers completing their development in less than 21¼ days. In another more definitely controlled set of 2602 individuals, 94 per cent emerged in less than 21 days with an average developmental period of approximately 20½ days.
Document Type: Research Article
Publication date: April 1, 1930
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.