
Appearance
The wingspan is about 27 mm. The moth flies from May to August depending on the location.
Naming
There are two recognised subspecies:⤷ ''Lambdina fervidaria fervidaria''
⤷ ''Lambdina fervidaria athasaria''
Food
The larva feed on ''Quercus'' and ''Fraxinus''. The subspecies ''Lambdina fervidaria athasaria'' prefers ''Abies balsamea'', ''Picea'' and ''Tsuga canadensis''.References:
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