Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Hawthorn > Leaves or parts of leaves missing
Hawthorn > Leaves > Leaves or parts of leaves missing
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Forest tent caterpillar
Malacosoma disstria
- Chews entire sections of leaves, often leaving some major veins; defoliation can be severe
- Hairs along sides of body, blue and black with characteristic footprint shaped markings on top of body, almost 2 inches long when fully grown
- Occurs in May and June
- More information on Forest Tent Caterpillar
