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Photo#1426853
caterpillar swarm on oak - Arge

caterpillar swarm on oak - Arge
Cambridge, Region of Waterloo, Ontario, Canada
August 19, 2017
Size: 3 mm long
These tiny caterpillars were skeletonizing an oak leaf (Bur or White Oak). When I moved the leaf in order to photograph they wriggled their tail ends outward from the leaf surface. Possibly 20 on the one leaf.

Images of this individual: tag all
caterpillar swarm on oak - Arge caterpillar swarm on oak - Arge

Moved

probably Arge sp.
by appearance and thoracic legs

Moved

Moved
Moved from ID Request.

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