Sampling Abundances of Soybean Arthropods: Comparison of Methods

Authors: Mayse, Mark A.; Kogan, Marcos; Price, Peter W.

Source: Journal of Economic Entomology, Volume 71, Number 1, February 1978 , pp. 135-141(7)

Publisher: Entomological Society of America

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Direct observation (DO) of arthropods on soybean plants was compared to another absolute method, clam trap (CT) , and to sweepnet (SW) sampling during a season-long investigation of the colonization by arthropods of 2 east central Illinois soybean fields. DO was similar to CT sampling in numbers of individuals detected per m of row. Numbers detected by DO were much greater than those detected by SW sampling. Population trends for a given arthropod species showed better agreement in the DO-CT comparison than in the DO-SW comparison. Proportion of similarity (PS) values for the DO-CT comparison were higher than those for DO-SW. In general, on the basis of numbers of individuals detected, DO sampling compared much more favorably with the other absolute method, CT sampling, than it did with the relative method of SW sampling.

Document Type: Research Article

Publication date: February 1, 1978

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.
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