Rearing of Woolly Pine Needle Aphid, Schizolachnus piniradiatae, Viviparae

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During a study on the life history and ecology of the woolly pine needle aphid, Schizolachnus piniradiatae (Davidson), in Ontario (Grobler 1962, Grobler et al. 1962), the fungal pathogen Entomophthora aphidis Hoffman was found to be a major controlling factor. It has since been shown that many of these insects may be destroyed also by Entomophthora fresenii Nowakowski, another widely occurring fungal parasite of aphids (Soper and MacLeod 1963). A comprehensive epizootiological study is now in progress to determine the effects of E. aphidis and E. fresenii on this host species. Since the success of the laboratory phase of the investigation is dependent upon a continuous supply of disease-free aphids, the development of a suitable rearing technique was undertaken.

Document Type: Research Article

Publication date: October 1, 1965

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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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