Insect & Disease Resource Center
Search Results
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Buck Moth
The buck moth caterpillar is a serious pest that defoliates oaks, particularly in the southeastern United States.
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Bur Oak Blight
Bur Oak Blight (BOB) is caused by a fungus named Tubakia iowensis. It is a leaf disease that attacks oak trees causing severe decline and death.
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Cankerworms
Cankerworms are caterpillars of several North American moths that have wingless females. Cankerworms feed on the buds and leaves of trees in early spring and can be a major pest.
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Chinch Bugs
Chinch bugs are small black and white insects that live in thatch and damage turf by sucking the sap and injecting toxic saliva. Adults are about 1/5 long. Newly hatched, immature nymphs appear bright red with a white band across the back.
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Chlorosis
Chlorosis is the result of a lack of chlorophyll production that may be caused by many conditions such as another disease, soil/water pH or nutritional imbalance, or tree wounds.
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Conifer Bark Beetle
Conifer bark beetles are beetles (of varying species) that tunnel just beneath the bark of conifer trees. Bark beetles account for over 90% of insect-related timber losses in the United States.
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Cytospora Canker
The plant pathogenic fungus Leucostoma kunzei (formerly Valsa kunzei) is the causal agent of cytospora canker, a disease of some conifers found in the Northern Hemisphere, predominantly on Norway spruce (Picea abies) and Colorado blue spruce (Picea pungens).