The Dark-spotted Palthis is a moth of the Noctuidae family. It is found from Newfoundland west to coastal British Columbia, south to Florida and Texas.
The wingspan is 20–26 mm. Adults are on wing from May to August in Alberta. There are two generations in much of the eastern part of its range, three or more generations from Missouri southward.
The larvae feed on various plants, including forbs, woody shrubs and trees .
By Rick Lieder
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