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Department of Entomology

Department of Entomology
123 W. Waters Hall
1603 Old Claflin Place
Kansas State University
Manhattan KS 66506-4004

785-532-6232 fax

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Soybean Insects

Thistle Caterpillar, Vanessa cardui.

Soybean>Painted lady caterpillar on soybean leaf .jpg

Soybean leaves may be webbed together by this hairy caterpillar (also known as the painted lady caterpillar). Larvae are covered by branched black spines or hairs over much of the body. Treat if 10 or more caterpillars are found per foot of row, or where defoliation becomes severe (greater than 25 to 35 percent) during pod set.

Please refer to the most recent version of the Soybean Insect Management Guide for control options.

Page last updated 11/01/2013 by J.P. Michaud.