Russet Skipperling
Piruna pirus (W.H. Edwards, 1878)
Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is dark brown; underside is red-brown. Forewing above and below has tiny transparent white spots; hindwing has no markings above or below.
Wing Span: 1 - 1 1/8 inches (2.5 - 2.9 cm).
Life History: Adults rest with their wings closed, but bask with hindwings open wide and forewings open to about 45 degrees. To find receptive females, males patrol above low plants in river courses, streams, and moist ravines. Caterpillars live and feed within nests of webbed leaves. Fully-grown caterpillars hibernate.
Flight: One brood from June-July.
Caterpillar Hosts: Probably grasses such as bluegrass (Poa).
Adult Food: Flower nectar.
Habitat: Moist valley bottoms, forest openings, meadows.
Range: Southeastern Idaho, southern Wyoming, Utah, Colorado, Arizona, and New Mexico.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 144 verified sightings
Observation date: Jul 15, 2021
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 22, 2021
Observation date: Jul 05, 2021
Submitted by: WYbutterflyer1
Region: Laramie County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 16, 2021
Observation date: Jul 10, 2021
Submitted by: Chrustay
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 16, 2021
Observation date: Jul 10, 2021
Submitted by: Chrustay
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 16, 2021
Observation date: Jul 03, 2021
Submitted by: WYbutterflyer1
Region: Laramie County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 11, 2021
Observation date: Jul 09, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 11, 2021
Observation date: Jul 04, 2021
Submitted by: Chrustay
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 08, 2021
Observation date: Jul 02, 2021
Submitted by: DeepSkyKelly
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 08, 2021
Observation date: Jul 01, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 08, 2021
Observation date: Jul 01, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 08, 2021
Observation date: Jul 01, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 08, 2021
Observation date: Jun 23, 2021
Submitted by: topper72
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 29, 2021
Observation date: Jun 30, 2020
Submitted by: Tim Shortell
Region: Colorado, United States
Verified by: mikefisher
Verified date: May 03, 2021
Observation date: Jul 12, 2020
Submitted by: WYbutterflyer1
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 17, 2021
Observation date: Jul 09, 2020
Submitted by: WYbutterflyer1
Region: Laramie County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 17, 2021
Observation date: Jul 04, 2020
Submitted by: J_Martineau
Region: Daggett County, Utah, United States
Verified by: J_Martineau
Verified date: Jan 05, 2021
Observation date: Jul 16, 2020
Submitted by: Cascade Colors
Region: San Miguel County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 12, 2020
Observation date: Jun 27, 2020
Submitted by: dbrudin
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 25, 2020
Observation date: Aug 05, 2020
Submitted by: DeepSkyKelly
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 13, 2020
Observation date: Jul 30, 2020
Submitted by: Reneerob17
Region: San Miguel County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 05, 2020
Observation date: Jul 13, 2020
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 19, 2020
Observation date: Jul 06, 2020
Submitted by: Rozelle Wright
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 09, 2020
Observation date: Jun 28, 2020
Submitted by: dwwagz
Region: Sandoval County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 05, 2020
Observation date: Jul 01, 2020
Submitted by: Arlene Ripley
Region: Graham County, Arizona, United States
Verified by: John Saba
Verified date: Jul 02, 2020
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