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
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Verified Sightings
Displaying 25 - 48 of 229 verified sightings
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Observation date: Apr 25, 2021
Submitted by: stevecary
Region: San Juan County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 12, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/p4201653.jpg?itok=-VHLi_l0)
Observation date: Apr 20, 2021
Submitted by: dyshah
Region: Washington County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 12, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/p4234507.jpg?itok=mevRX7cF)
Observation date: Apr 23, 2021
Submitted by: dyshah
Region: Washington County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 12, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_6397_4.jpg?itok=NoSPVxsA)
Observation date: Mar 26, 2016
Submitted by: tsimpson
Region: Culberson County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 06, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/rocky_mountain_duskywing_erynnis_telemachus_tx_jeff_davis_county_-_lawrence_wood_picnic_area_apr_1_2019.jpg?itok=hgNJbmAY)
Observation date: Apr 01, 2019
Submitted by: Mark Salvato
Region: Jeff Davis County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 01, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/rocky_mountain_duskywing_erynnis_telemachus_tx_brewster_county_-_big_bend_np_apr_4_2019.jpg?itok=5z1ndjit)
Observation date: Apr 04, 2019
Submitted by: Mark Salvato
Region: Brewster County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 01, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_6394_2.jpg?itok=ZhU4PPT9)
Observation date: Mar 26, 2016
Submitted by: tsimpson
Region: Culberson County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 01, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/c75b5351-fdd3-40a5-bf38-6f4c632334b7_1_201_a.jpeg?itok=pSwOENiK)
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
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/dsc08871_2.jpg?itok=YsjD5DUy)
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
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/dsc07870_2.jpg?itok=a0oavR9Z)
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
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/persius_duskywing_925c1862.jpg?itok=fL4CchN2)
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
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_7437_2_rocky_mountain_erynnis_telemachus.jpg?itok=pwV3P4GJ)
Observation date: Apr 28, 2022
Submitted by: chneal
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: May 08, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/dscn6471_0.jpg?itok=vBwZj7o7)
Observation date: Apr 30, 2022
Submitted by: DeepSkyKelly
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: May 07, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/p1010341_2.jpg?itok=3-MNGJ65)
Observation date: Apr 30, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: May 07, 2022
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Observation date: Apr 26, 2022
Submitted by: bonfrey
Region: Cibola County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/_wf14776.jpg?itok=KCbSNzXf)
Observation date: Apr 25, 2022
Submitted by: bonfrey
Region: Cibola County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/duskywing_atalaya_mtn._tr._near_st._johns_college_4-27-22.jpg?itok=pAj54NoM)
Observation date: Apr 27, 2022
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_1063_2_2.jpg?itok=P0CfSYw1)
Observation date: Apr 11, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 13, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_7335_2_0.jpg?itok=TNGYdVf5)
Observation date: Apr 07, 2022
Submitted by: chneal
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 11, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_9759_2_2.jpg?itok=ZnrRsGbO)
Observation date: Mar 28, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 28, 2022
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/rocky_mountain_duskywing_nm_torrance_county_-tajique_-_cibola_nf_may_22_2019.jpg?itok=VJvJPUbV)
Observation date: May 22, 2019
Submitted by: Mark Salvato
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 21, 2021
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/p1240370.jpg?itok=BmP3LWsd)
Observation date: May 20, 2021
Submitted by: stevecary
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 22, 2021
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/p1240126.jpg?itok=IXRwljxx)
Observation date: Apr 30, 2021
Submitted by: stevecary
Region: Cibola County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 22, 2021
![](https://www.butterfliesandmoths.org./sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/persius_dusky_6_8_10_06.jpg?itok=i4hlOsPk)
Observation date: Jun 08, 2021
Submitted by: DeepSkyKelly
Region: Las Animas County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 22, 2021
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