Banded Hairstreak
Satyrium calanus (Hübner, [1809])
Family: Lycaenidae
Subfamily: Theclinae
Identification: Hindwing has 1 long and 1 short tail. Upperside of both sexes dark brown. Underside of hindwing dark brown with postmedian band of dark dashes edged in white. Blue tail-spot not topped with orange.
Wing Span: 1 - 1 1/2 inches (2.5 - 3.8 cm).
Life History: Males perch on low shrubs and tree branches during the day, watching for females. Eggs are laid on twigs of the host during the summer, and hatch the following spring. Caterpillars eat catkins and leaves.
Flight: One flight from June-August in the north, April-May in Florida.
Caterpillar Hosts: Many species of oak (Quercus), walnut (Juglans), and hickory (Carya).
Adult Food: Nectar from flowers including dogbane and common milkweed (preferred), chinquapin, small-flowered dogwood, New Jersey tea, meadowsweet, staghorn sumac, white sweet clover, and yarrow.
Habitat: Forest areas and neighboring open edges and fields.
Range: Maine across southern Canada to North Dakota; south to central Texas and the Gulf States. Southern Rocky Mountains in Wyoming, Colorado, Utah, and New Mexico.
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
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Verified Sightings
Displaying 25 - 48 of 3222 verified sightings
Observation date: Jul 10, 2023
Submitted by: commentator
Region: Ontario, Canada
Verified by: jmgesell
Verified date: Sep 22, 2023
Observation date: Aug 09, 2023
Submitted by: commentator
Region: Ontario, Canada
Verified by: jmgesell
Verified date: Sep 22, 2023
Observation date: Jul 08, 2023
Submitted by: commentator
Region: Ontario, Canada
Verified by: jmgesell
Verified date: Sep 17, 2023
Observation date: Jul 07, 2023
Submitted by: commentator
Region: Ontario, Canada
Verified by: jmgesell
Verified date: Sep 16, 2023
Observation date: Jul 06, 2023
Submitted by: commentator
Region: Ontario, Canada
Verified by: jmgesell
Verified date: Sep 16, 2023
Observation date: Jul 05, 2023
Submitted by: commentator
Region: Ontario, Canada
Verified by: jmgesell
Verified date: Sep 10, 2023
Observation date: Jul 13, 2016
Submitted by: Robb Hannawacker
Region: Grand County, Utah, United States
Verified by: James Steen
Verified date: Sep 05, 2023
Observation date: Jul 04, 2023
Submitted by: aarongunnar
Region: Jefferson County, Wisconsin, United States
Verified by: jmgesell
Verified date: Jul 26, 2023
Observation date: Jul 23, 2023
Submitted by: maryjanzen
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jul 23, 2023
Observation date: Jul 16, 2023
Submitted by: tjay13
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 21, 2023
Observation date: Jul 17, 2023
Submitted by: ESCB2
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: Jul 20, 2023
Observation date: Jul 16, 2023
Submitted by: maryjanzen
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jul 19, 2023
Observation date: Jul 16, 2023
Submitted by: rowley
Region: Wayne County, New York, United States
Verified by: jmgesell
Verified date: Jul 16, 2023
Observation date: Jul 07, 2023
Submitted by: Cascade Colors
Region: Grundy County, Tennessee, United States
Verified by: James Steen
Verified date: Jul 10, 2023
Observation date: Jul 03, 2023
Submitted by: Col
Region: Bradford County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jul 04, 2023
Observation date: Jul 03, 2023
Submitted by: Col
Region: Bradford County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jul 04, 2023
Observation date: Jul 03, 2023
Submitted by: Eric Hartshaw
Region: Lycoming County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jul 04, 2023
Observation date: Jul 01, 2023
Submitted by: Susan Bryce
Region: Bucks County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jul 04, 2023
Observation date: Jul 03, 2023
Submitted by: dlister
Region: Berkshire County, Massachusetts, United States
Verified by: jwileyrains
Verified date: Jul 04, 2023
Observation date: Jul 01, 2023
Submitted by: jwileyrains
Region: Litchfield County, Connecticut, United States
Verified by: jwileyrains
Verified date: Jul 01, 2023
Observation date: Jun 25, 2023
Submitted by: jmgesell
Region: Northampton County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jun 30, 2023
Observation date: Jun 29, 2023
Submitted by: Chet Gottfried
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jun 30, 2023
Observation date: Jun 26, 2023
Submitted by: maryjanzen
Region: Centre County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jun 28, 2023
Observation date: Jun 26, 2023
Submitted by: ofdewdrops
Region: Allegheny County, Pennsylvania, United States
Verified by: davidwright
Verified date: Jun 28, 2023
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