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Taylor's Power Law was performed on mean and variance estimates of eggs and viviparae of walnut aphids, Chromaphis juglandicola (Kaltenbach). Highly significant correlation coefficients suggested that Taylor's Power Law fit the data well. Means and estimated variances of walnut aphid eggs and viviparae were used to develop proportion-infested relationships and generate optimal numerical and binomial sample size curves for these life stages of the aphid. Information presented in this paper should help improve accuracy and efficiency in sampling of the walnut aphid in the future.
Document Type: Research Article
Publication date: June 1, 1986
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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.