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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

785-532-6154
785-532-6232 fax
entomology@ksu.edu

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bindweed-mites

The bindweed gall mite, Aceria malherbae Nuzzaci is a mite introduced from Europe to help control field bindweed, Convolvulus arvensis L. The mites are tiny, elongated organisms with 2 pair of legs. They feed along the upper leaf surface causing the leaves to fold and causing the mid-vein of the leaf to thicken, turn pinkish and develop bumps. Heavy populations can severly distort the bind weed plants and eventually kill the plants.

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Bindweed leaf showing folding of leaf, swelling of mid-vein and bumps along the mid-vein of the leaf caused by bindweed mite feeding. 

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Bindweed leaf showing pink mid-vein.

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Bindweed leaves distorted by bindweed mite feeding.

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Leaf tissue under microscope pulled back to expose bindweed mites.