Pyrausta morenalis is a moth in the family Crambidae. It was described by Harrison Gray Dyar Jr. in 1908. It is found in North America, where it has been recorded from Washington to California and west to Texas and Nevada. It is also found in Mexico.Pyrausta at Markku Savela's Lepidoptera and Some Other Life Forms
The wingspan is 18–22 mm. The forewings are dark reddish brown with a bronzy shine. The hindwings are pale.Proceedings of the Entomological Society of Washington 10 (1-2): 58 Adults have been recorded on wing from March to July and in October and December.Moth Photographers Group at Mississippi State University
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