Plant Damage / Signs:
Most leaves totally removed (feeding)
Often entire trees defoliated
Insect / Signs:
Tiny larvae hang by silken thread; and
travel with air currents
Larvae black and hairy
Adult moths white to tan
Egg masses on tree trunks, branches,
buildings, fences, etc. Tan or buff-colored
Note:
Completely defoliated stands of trees will
releaf the next Spring. Two or more years
of defoliation often result in tree decline.
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Plants:
Many plants but prefer:
Apple
Elm
Hawthorn
Linden
Maple
Poplar
Oak
Willow
Timing:
Spring (larvae stage lasts for 7 weeks)
Generations / Year
1
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