walnut moth
noun
: any of several moths whose larvae eat the foliage of the walnut: such as
a
b
c
d
: any of several red underwings of the genus Catocala
e
: a dagger moth (Acronicta americana) found also on the maple
f
: any of three arctiid moths of the genus Halisidota (H. caryae, H. tesselaris, H. maculata)
g
: a moth (Datana integerrima) whose larva feeds on and often defoliates walnut, hickory, birch, oak, chestnut, linden, and apple
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Merriam-Webster unabridged
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