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W127-Common Beneficial Arthropods Found In Field Crops, The University Of Tennessee Agricultural Extension Service

Insects, Pests, Plant Diseases and Weeds

There are hundreds of species of insects and spiders that attack arthropod pests found in cotton, corn, soybean and other field crops. A few common and representative examples are presented herein. With few exceptions, these beneficial arthropods are native and common in the southern United States. The cumulative value of insect predators and parasitoids should not be underestimated, and this publication does not address important diseases that also attack insect and mite pests. Without biological control, many pest populations would routinely reach epidemic levels in field crops. Insecticide applications typically reduce populations of beneficial insects, often resulting in secondary pest …