Malacosoma disstria
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Author(s): Herbert A. 'Joe' Pase III, Texas Forest Service
Source: IPM Images
Malacosoma disstria (Hübner, 1822) - (forest tent caterpillar)
The species attacks aspen and other trees in North America. Eggs are laid on the branches as egg bands in autumn. The larvae inside the eggs overwinter and emerge in spring around the time of budbreak. The gregarious larvae can cause extensive damage in outbreak years which may result in tree mortality. The larvae don't produce a tent (but cover the tree trunk with silk webbing) and are characterized by the dorsal "keyhole" or "footprint" pattern.
For details see the respective page in Wikipedia.
| Vernacular names | |
|---|---|
| • English: | forest tent caterpillar |
| • Français: | livrée de la forêt |
Synonyms:
Clisiocampa disstria
- Other images of Malacosoma disstria (IPM Images and Wikimedia Commons - click to enlarge)
adult
adult
webbing on tree trunk
egg masses on Acer saccharum (old on top, newly laid at bottom)
larvae on ash
larvae on Acer saccharum
cocoon
infestation on Populus tremuloides in Minnesota
aerial view of outbreak in Alabama
