A Comparison of Sweepnet, Absolute, and Insectavac Sampling Methods in Cotton Ecosystems

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Abstract
Regressions of insectavac (IV) and sweepnet samples on absolute samples were run on 24 groups of insects in 12 genera, 1 family, and 5 superfamilies. The IV sampled more insects on a per unit basis and gave a more accurate estimate of population density and variation than did the sweepnet samples. The IV produced samples with greater predictive value in return for less human effort than the sweepnet; however, the insectavac is more expensive to operate than is the sweepnet.