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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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Dectes Stem Borer Pictures


Adult dectes stem borer on leaf.

Soybean>Feeding Scars on Leaf Petiole from Soybean Stem Borer .jpg

Adult feeding scar on leaf petiole.

Soybean>Soybean Stem Borer Oviposition Scar on Leaf Petiol .jpg

Oviposition scar on leaf petiole


Stem split to show egg in leaf petiole.

Soybean>Soybean Stem Borer Egg in Stem (Mid July) .jpg

Close-up of egg in leaf petiole.


Wilted leaf due to soybean stem borer feeding in petiole.


Leaf has fallen off to expose entry node.

Soybean>Soybean Stem Borer Larva (late July) .jpg

Stem split to show larva in green stem.


Plant girdled by dectes stem borer

Soybean>on split stem, October, .jpg

Stem split to show over wintering larva.