Fishia yosemitae, the dark grey fishia or grey fishia, is a moth in the family Noctuidae. It is found from central Alberta to Colorado in the Rocky Mountain and Great Plains regions. It is also found in eastern, central, and southern California, as well as in the Intermountain region.

The larvae feed on various herbaceous plants, including plants in the families Asteraceae and Scrophulariaceae, as well as Eriogonum species.

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