Ottoe skipper (Hesperia ottoe) COSEWIC assessment and status report: chapter 12

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Hesperia ottoe is found only in upland mixed-grass and sand prairie habitats. It is extremely susceptible to disturbances that alter the floral and structural components of its preferred habitat. This skipper was probably more widespread in southern Manitoba in the past. Over 99% of its habitat has been converted to row crops or severely degraded by over-grazing, and only about 300 km² of mixed-grass and sand prairie now remains. Hesperia ottoe was last recorded in Canada during 1986 from Spruce Woods Provincial Park. This skipper was not found during a recent survey of prairie habitats in Manitoba and Saskatchewan. It is possible that H. ottoe no longer exists in Canada.