
Appearance
It has a wingspan of 33–50 mm. The moth flies from June to August in a single brood in Canada, but in two or more generations in the southern United States, depending on the location.
Naming
There are two recognised subspecies:⤷ "Panthea furcilla australis" Anweiler, 2009
⤷ "Panthea furcilla furcilla"
The supposed species "P. pallescens" is today considered a form of "P. furcilla" with no taxonomic standing.
Food
The larvae feed on eastern larch, pines, and spruces.References:
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