Grizzled Skipper
Pyrgus centaureae (Rambur, [1842])
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Fringes are checkered. Upperside is gray-black with squarish white checks. Underside of hindwing is gray-brown to black checkered with whitish spots; veins are white. Male has a costal fold enclosing scent scales on the forewing.
Wing Span: 1 - 1 5/16 inches (2.5 - 3.3 cm).
Life History: Males patrol and occasionally perch all day in open areas in their search for receptive females. Eggs are deposited singly on leaves of the host plant. Caterpillars feed within shelters of webbed leaves.
Flight: One brood from March-May in the south, requires 2 years to develop in the subarctic.
Caterpillar Hosts: Wild strawberry (Fragaria virginiana), Canadian cinquefoil (Potentilla canadensis), varileaf cinquefoil (P. diversifolia), and cloudberry (Rubus chamaemorus); all in the rose family (Rosaceae).
Adult Food: Nectar from flowers of low-growing plants including blueberry, wild strawberry, and Canadian cinquefoil.
Habitat: Open areas near woods including valley bottoms, barrens, meadows, grassy hillsides, tundra, scrub oak openings.
Range: Holarctic. In North America, from Alaska south and east to central Ontario and northern Michigan. Isolated populations in Labrador and arctic Quebec, the central Appalachians, and the Rocky Mountains from central Alberta south to northern New Mexico.
Conservation: Populations on eastern shale barrens (subspecies wyandot) should be monitored and conserved.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Determine management needs for subspecies wyandot and implement if necessary.
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Verified Sightings
Displaying 97 - 120 of 219 verified sightings
Observation date: unknown
Submitted by: legacy.reporter
Region: Berks County, Pennsylvania, United States
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Verified date: Dec 31, 2004
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Region: Uintah County, Utah, United States
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Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Mineral County, West Virginia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Dolores County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Santa Fe County, New Mexico, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Washington County, District of Columbia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Cuyahoga County, Ohio, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Jackson County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Montcalm County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: El Paso County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Deer Lodge County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Clear Creek County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Madison County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Scott County, Virginia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pitkin County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Passaic County, New Jersey, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Yellowstone National Park County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Fairfax County, Virginia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Huntingdon County, Pennsylvania, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Daggett County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Park County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Mineral County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Warren County, New Jersey, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Harlan County, Kentucky, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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