Acadian Hairstreak
Satyrium acadica (W.H. Edwards, 1862)
Family: Lycaenidae
Subfamily: Theclinae
Identification: One tail on each hindwing. Upperside brown-gray. Underside of hindwing gray; blue marginal spot is capped with orange; row of orange submarginal spots capped with black; round black spots form postmedian row.
Wing Span: 1 1/8 - 1 1/2 inches (2.9 - 3.8 cm).
Life History: Males perch on low vegetation near host plants to watch for females. Eggs are laid on twigs and hatch the next spring; caterpillars eat leaves.
Flight: One flight from June-August.
Caterpillar Hosts: Various willow species including black willow (Salix nigra) and silk willow (Salix sericea).
Adult Food: Nectar from flowers including butterflyweed, meadowsweet, milkweeds, New Jersey tea, and thistles.
Habitat: Willow-lined streams, marshes, moist woodlands.
Range: British Columbia east to Nova Scotia; south to Idaho, Colorado, the upper Midwest, Maryland, and New Jersey.
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.
Comments: NULL
Alternate Scientific Names:
Satyrium acadicum
Verified Sightings
Displaying 1 - 24 of 841 verified sightings
Observation date: Jul 12, 2020
Submitted by: Mark Plessner
Region: Lucas County, Ohio, United States
Verified by: rogerdowner
Verified date: Jul 14, 2020
Observation date: Jul 02, 2020
Submitted by: rapids.smith@gm...
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: Jul 02, 2020
Observation date: Jun 28, 2020
Submitted by: Ed Rothwell
Region: Ingham County, Michigan, United States
Verified by: rosslayberry
Verified date: Jun 28, 2020
Observation date: Jun 27, 2020
Submitted by: Craig M Lipski
Region: Livingston County, Michigan, United States
Verified by: rosslayberry
Verified date: Jun 27, 2020
Observation date: Jul 26, 2019
Submitted by: Ed Rothwell
Region: Newaygo County, Michigan, United States
Verified by: rosslayberry
Verified date: Jul 29, 2019
Observation date: Jul 06, 2019
Submitted by: rhedden
Region: Albany County, New York, United States
Verified by: rosslayberry
Verified date: Jul 06, 2019
Observation date: Jul 03, 2016
Submitted by: KateTweedy
Region: Fremont County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 05, 2019
Observation date: Jul 04, 2018
Submitted by: ncrosbyrd
Region: Wood County, Wisconsin, United States
Verified by: BGilley
Verified date: Aug 23, 2018
Observation date: Aug 09, 2018
Submitted by: Reiner Jakubowski
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: Aug 22, 2018
Observation date: Jul 03, 2018
Submitted by: BruceMissen
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: Jul 05, 2018
Observation date: Jun 29, 2018
Submitted by: pporonto
Region: Macomb County, Michigan, United States
Verified by: rosslayberry
Verified date: Jul 01, 2018
Observation date: Jun 24, 2017
Submitted by: Mark Plessner
Region: Lucas County, Ohio, United States
Verified by: rogerdowner
Verified date: Mar 19, 2018
Observation date: Jul 01, 2015
Submitted by: