Dreamy Duskywing
Erynnis icelus (Scudder & Burgess, 1870)
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Long labial palpi point forward; antennal clubs are pointed. Wings are black; forewing has no transparent spots but is dusted with gray scales and has bands of dark spots. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.
Wing Span: 1 1/8 - 1 1/2 inches (2.9 - 3.8 cm).
Life History: To seek females, males perch in openings, flats or depressions near woods. Females lay eggs singly on host plant leaves. Caterpillars feed on leaves and rest in leaf nests. Fully-grown caterpillars hibernate in leaf shelters.
Flight: One brood from April to early July; perhaps a rare second brood in the southern Appalachian Mountains.
Caterpillar Hosts: Willows (Salix), poplars, aspens (Populus), and occasionally birch (Betula).
Adult Food: Nectar from flowers of blueberry, wild strawberry, blackberry, Labrador tea, dogbane, New Jersey tea, winter cress, purple vetch, and lupine.
Habitat: Woodland openings or edges.
Range: Boreal North America from the Northwest Territories east across southern Canada to Nova Scotia; south in the western mountains to southern Arizona and southern New Mexico; south in the east to Arkansas, northeastern Alabama, and northern Georgia.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
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Verified Sightings
Displaying 73 - 96 of 2182 verified sightings
Observation date: Apr 21, 2020
Submitted by: ChrissyL
Region: Greene County, Tennessee, United States
Verified by: James Steen
Verified date: May 30, 2022
Observation date: Apr 11, 2020
Submitted by: JRoper
Region: White County, Tennessee, United States
Verified by: James Steen
Verified date: May 30, 2022
Observation date: Mar 30, 2017
Submitted by: StaceyWhetstone
Region: Hamblen County, Tennessee, United States
Verified by: James Steen
Verified date: May 30, 2022
Observation date: Apr 05, 2016
Submitted by: dspicer
Region: Marion County, Tennessee, United States
Verified by: James Steen
Verified date: May 30, 2022
Observation date: May 18, 2022
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: May 22, 2022
Observation date: May 17, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 19, 2022
Observation date: May 05, 2022
Submitted by: robtluke@aol.com
Region: Lincoln County, New Mexico, United States
Verified by: stevecary
Verified date: May 14, 2022
Observation date: May 10, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 12, 2022
Observation date: May 05, 2022
Submitted by: Eric Hartshaw
Region: Montour County, Pennsylvania, United States
Verified by: davidwright
Verified date: May 10, 2022
Observation date: May 01, 2022
Submitted by: topper72
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: May 07, 2022
Observation date: Jun 08, 2017
Submitted by: jollygoodyellow
Region: Nova Scotia, Canada
Verified by: John Calhoun
Verified date: Feb 27, 2022
Observation date: Apr 09, 2021
Submitted by: ncrosbyrd
Region: Haywood County, North Carolina, United States
Verified by: Dennis Forsythe
Verified date: Feb 05, 2022
Observation date: Aug 10, 2018
Submitted by: kmelville
Region: Nova Scotia, Canada
Verified by: curtis.lehman
Verified date: Jan 07, 2022
Observation date: Apr 06, 2020
Submitted by: floracliff
Region: Fayette County, Kentucky, United States
Verified by: CA Ivy
Verified date: Jan 01, 2022
Observation date: Jul 05, 2021
Submitted by: J_Martineau
Region: Okanogan County, Washington, United States
Verified by: J_Martineau
Verified date: Dec 03, 2021
Observation date: Apr 21, 2017
Submitted by: Mark Salvato
Region: Madison County, North Carolina, United States
Verified by: Dennis Forsythe
Verified date: Nov 27, 2021
Observation date: May 18, 2021
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: Allen B
Verified date: Nov 18, 2021
Observation date: Jun 13, 2018
Submitted by: jvkopple2
Region: Kalkaska County, Michigan, United States
Verified by: John Calhoun
Verified date: Oct 28, 2021
Observation date: May 24, 2019
Submitted by: Mark Salvato
Region: Apache County, Arizona, United States
Verified by: John Saba
Verified date: Oct 22, 2021
Observation date: May 28, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 12, 2021
Observation date: Jun 13, 2021
Submitted by: tjay13
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 11, 2021
Observation date: Jun 02, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 11, 2021
Observation date: Jun 03, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 11, 2021
Observation date: May 31, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 06, 2021
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