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Related to cankerworm: palmerworm
The larva of either of two geometrid moths (Paleacrita vernata or Alsophila pometaria), destructive to fruit and shade trees.
(Animals) the larva of either of two geometrid moths, Paleacrita vernata or Alsophila pometaria, which feed on and destroy fruit and shade trees in North America
the striped green caterpillar of any of several geometrid moths: a foliage pest of trees.
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|Noun||1.||cankerworm - green caterpillar of a geometrid moth; pest of various fruit and shade trees|
spring cankerworm - variably colored looper; larva of Paleacrita vernata
fall cankerworm - green or brown white-striped looper; larva of Alsophila pometaria
caterpillar - a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth