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 169 - 192 of 2216 verified sightings
Observation date: Apr 11, 2021
Submitted by: otusasiotours
Region: Buncombe County, North Carolina, United States
Verified by: Dennis Forsythe
Verified date: Apr 14, 2021
Observation date: Jun 28, 2020
Submitted by: WYbutterflyer1
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 24, 2021
Observation date: Jun 23, 2018
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 07, 2021
Observation date: Jun 18, 2017
Submitted by: hiker96
Region: Coos County, New Hampshire, United States
Verified by: John Calhoun
Verified date: Dec 18, 2020
Observation date: Jun 03, 2017
Submitted by: Tony DeSantis
Region: Lackawanna County, Pennsylvania, United States
Verified by: davidwright
Verified date: Dec 14, 2020
Observation date: May 24, 2015
Submitted by: AllenRatz
Region: Buncombe County, North Carolina, United States
Verified by: Dennis Forsythe
Verified date: Dec 10, 2020
Observation date: May 21, 2015
Submitted by: AllenRatz
Region: Buncombe County, North Carolina, United States
Verified by: Dennis Forsythe
Verified date: Dec 10, 2020
Observation date: Apr 25, 2017
Submitted by: wallap74
Region: Swain County, North Carolina, United States
Verified by: Dennis Forsythe
Verified date: Dec 08, 2020
Observation date: May 29, 2020
Submitted by: lisagorn
Region: Otsego County, New York, United States
Verified by: rosslayberry
Verified date: Nov 23, 2020
Observation date: Jul 02, 2020
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 13, 2020
Observation date: May 27, 2020
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 03, 2020
Observation date: May 25, 2020
Submitted by: s_brown55
Region: Pendleton County, West Virginia, United States
Verified by: curtis.lehman
Verified date: Oct 19, 2020
Observation date: May 16, 2020
Submitted by: Cactuswren1976
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 13, 2020
Observation date: Jun 13, 2020
Submitted by: Pheasantboy77
Region: Carter County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 22, 2020
Observation date: Apr 27, 2020
Submitted by: Rozelle Wright
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 09, 2020
Observation date: Jun 20, 2020
Submitted by: kathy lichtendahl
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jun 25, 2020
Observation date: May 17, 2020
Submitted by: dbrudin
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 14, 2020
Observation date: May 29, 2020
Submitted by: Ed Rothwell
Region: Newaygo County, Michigan, United States
Verified by: rosslayberry
Verified date: May 31, 2020
Observation date: Jul 19, 2019
Submitted by: stevecary
Region: Gilpin County, Colorado, United States
Verified by: mikefisher
Verified date: May 30, 2020
Observation date: May 09, 2020
Submitted by: Kbossong
Region: Gallia County, Ohio, United States
Verified by: rogerdowner
Verified date: May 09, 2020
Observation date: May 06, 2020
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 09, 2020
Observation date: May 03, 2020
Submitted by: David Trently
Region: Lackawanna County, Pennsylvania, United States
Verified by: davidwright
Verified date: May 03, 2020
Observation date: May 03, 2020
Submitted by: David Trently
Region: Lackawanna County, Pennsylvania, United States
Verified by: davidwright
Verified date: May 03, 2020
Observation date: May 02, 2020
Submitted by: tjunderwood
Region: Berks County, Pennsylvania, United States
Verified by: davidwright
Verified date: May 03, 2020
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