Rocky Mountain Duskywing
Erynnis telemachus Burns, 1960
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Fringes are brown. Upperside is brown; forewing has gray scales and distinct clear spots. Underside of hindwing has very small spots below the apex. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.
Wing Span: 1 3/8 - 1 3/4 inches (3.5 - 4.5 cm).
Life History: To seek females, males perch in gulches during the day. Females lay eggs singly on the bark and leaf buds of the host plant.
Flight: One brood from April-July.
Caterpillar Hosts: Gambel oak (Quercus gambeli).
Adult Food: Flower nectar.
Habitat: Oak woodland and openings.
Range: Southern Wyoming, Utah, southeastern Nevada, Colorado, Arizona, New Mexico, and west Texas.
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
Verified Sightings
Displaying 1 - 24 of 207 verified sightings
Observation date: Apr 28, 2022
Submitted by: stevecary
Region: San Juan County, Utah, United States
Verified by: jwileyrains
Verified date: Jan 28, 2023
Observation date: Apr 20, 2021
Submitted by: stevecary
Region: San Juan County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 12, 2022
Observation date: Apr 25, 2021
Submitted by: stevecary
Region: San Juan County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 12, 2022
Observation date: Apr 20, 2021
Submitted by: dyshah
Region: Washington County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 12, 2022
Observation date: Apr 23, 2021
Submitted by: dyshah
Region: Washington County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 12, 2022
Observation date: Mar 26, 2016
Submitted by: tsimpson
Region: Culberson County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 06, 2022
Observation date: Apr 01, 2019
Submitted by: Mark Salvato
Region: Jeff Davis County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 01, 2022
Observation date: Apr 04, 2019
Submitted by: Mark Salvato
Region: Brewster County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 01, 2022
Observation date: Mar 26, 2016
Submitted by: tsimpson
Region: Culberson County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 01, 2022
Observation date: May 03, 2022
Submitted by: robtluke@aol.com
Region: Lincoln County, New Mexico, United States
Verified by: stevecary
Verified date: May 14, 2022
Observation date: May 05, 2022
Submitted by: Marta Reece
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: May 08, 2022
Observation date: Apr 30, 2022
Submitted by: Marta Reece
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: May 08, 2022
Observation date: May 05, 2022
Submitted by: Nature Man 6
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: May 08, 2022
Observation date: Apr 28, 2022
Submitted by: chneal
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: May 08, 2022
Observation date: Apr 30, 2022
Submitted by: DeepSkyKelly
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: May 07, 2022
Observation date: Apr 30, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: May 07, 2022
Observation date: Apr 26, 2022
Submitted by: bonfrey
Region: Cibola County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2022
Observation date: Apr 25, 2022
Submitted by: bonfrey
Region: Cibola County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2022
Observation date: Apr 27, 2022
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2022
Observation date: Apr 11, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 13, 2022
Observation date: Apr 07, 2022
Submitted by: chneal
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 11, 2022
Observation date: Mar 28, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 28, 2022
Observation date: May 22, 2019
Submitted by: Mark Salvato
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 21, 2021
Observation date: May 20, 2021
Submitted by: stevecary
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 22, 2021
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