Ottoe skipper (Hesperia ottoe) COSEWIC assessment and status report: chapter 10

Hesperia ottoe is one of a very small group of specialist butterflies that occurs only in native mixed-grass and sand prairie habitats in Canada. This species now occurs in a series of isolated populations in the United States and may occur at one site in Canada. The loss of this species from Canada will be the loss of an element of the endangered prairie ecosystem. 

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