Smerinthus caecus, the northern eyed hawkmoth, is a moth of the family Sphingidae. The species was first described by Édouard Ménétries in 1857.
Description The wingspan is 50–65 mm.
Biology Adults are on wing from end May/June to early July in one generation. There might be a partial second generation in August if the first adults emerge in May or early June.
The larvae feed on Salix and Populus species.
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