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Biology of Collops vittatus (Say) in Arizona, and Feeding Habits of Seven Predators of the Spotted Alfalfa Aphid1

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Studies on the biology of Collops vittatus (Say) were undertaken in the laboratory and field at Tempe, Ariz., from June 15 to September 15, 1957. On an average 78 days were required for development from egg to adult. Additional data on longevity and feeding capacity of C. vittatus in relation to temperature are given. Observations on the feeding habits of seven predators of the spotted alfalfa aphirl (Therioaphis maculate (Buckton)) indicated that the average number of aphids destroyed per adult per day by hippodamia convergens G.-M. was 97, Collops vittatus (Say) 35, Zelus renardii Kolenati 34, Geocoris punctipes sonoraensis Van Duzee 29, Sinea confuse Caudell 24, Nabis ferus (L.) 22, and Orius tristicoler (White) 5. The effect of sex and different feeding periods on the feeding capacity of the various predators is also given.

Document Type: Research Article

Publication date: February 1, 1959

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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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