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Biology of the Elm Leaf. Beetle in Southern Arizona1

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Abstract:

Life history studies of Pyrrhalta luteola (Muller) were conducted in the laboratory. These studies showed the larval stage averaged 20.3 days, the pupal stage 8.4 days, and the adult stage 30 days. The average age of adults at the start of oviposition was 13.6 days. Females averaged 14.6 egg masses. The average incubation period was 7.1 days. Young larvae could not survive on old or tough leaves. Only larvae 12 days old could complete their life cycle on tough leaves.

Document Type: Research Article

Publication date: October 1, 1968

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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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