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Northern Prairie Wildlife Research Center

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Macromoths of Northwest Forests and Woodlands

Pheosia portlandia [Notodontidae]

JPG-Pheosia portlandia

Wingspan 6.5 cm. Forewing is red-brown with a gray discal cell, narrow white postmedian line, long black postmedian dashes, a black basal dash, and a black hair tuft in the center of the inner wing margin. This notodontid is common in wet coastal forests. Moths fly from spring to fall. Caterpillars feed on the foliage of willow (Salix), aspen, and poplar (Populus).

Similar species: Pheosia rimosa forewing is white with a black band along the inner margin and a black subapical patch, widely distributed but particularly common in the Rocky Mountains, caterpillars feed on foliage of willow (Salix) and poplar (Populus).

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