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Project Noah Nature School
Limenitis archippus
Very similar to monarchs. Distinguished by a post medium black line that runs across the veins on the hind wings.
Found on a willow tree. Salix. The caterpillars feed on willows and other trees in that family.
Caterpillars accumulate salicylic acid which is distasteful to birds. They are considered a mullerian mimic of Monarchs as birds don't like either.
Spotted on Apr 30, 2021
Submitted on May 2, 2021
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