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Identification key to the Noctuinae
occurring in the Dakotas
Below are four possibilities: A, B, C and
D. Compare your moth to each successive choice. These choices are
not always mutually exclusive, proceed to 'B' only if your
specimen does not fit 'A', likewise for B, C, and D.
A. Thoracic vestiture of long forked hair-like
scales.
Forked hair-like scales.
Other scale types.
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B. Thorax with divided
dorsal crest.
Peridroma saucia (Hübner)
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C. Labial palpi with scales
on second segment of even
length, no apical tuft.
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D. Small lateral patch of dark
scales above pilifer. Palpi with apical tufts. Vertex often with black
scales.
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