Insect & Disease Resource Center
Search Results
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Bagworms
Bagworms are destructive pests of shrubs and woody ornamentals that are native to North America. Their spindle-shaped protective bags made from silk, debris and foliage provide camouflage, so they go unnoticed until there is significant plant damage.
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Bark Lice
Bark Lice are small, dark-colored insects that produce fine, dense webbing on the trunks of host trees. Varying in color from tan to black, these pests may or may not have wings, and are usually less than five millimeters long.
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Boxwood Insects and Mite Pests
There are three types of insects and mites that attack boxwoods Boxwood psyllid, Boxwood leafminer and Boxwood spider mites.
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Eastern Tent Caterpillar
The eastern tent caterpillar is a pest native to the United States whose presence was first recorded in the mid-1600s. Found in the eastern and central United States, it has been seen as far west as the Rocky Mountains. It appears in large numbers, generally every ten or so years.
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Fall Webworm
Fall webworm larvae are pale greenish-yellow with either black or red heads. They have two rows of black spots along their backs and scattered long hairs along their bodies. The caterpillars transform into white moths in the spring.
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Mites
Mites are nearly invisible, but they can cause destruction that will surely be noticed on a variety of indoor and outdoor trees, shrubs and plants. Signs that mites are present include spotting, bronzing or yellowing of leaves and the presence of small webs between twigs.
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Pine Tip and Pine Shoot Moths
Pine tip and pine shoot moths are the caterpillars of moths that attack conifer trees, causing a drought-like appearance to the tree.