Behr's Hairstreak
Satyrium behrii (W.H. Edwards, 1870)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Tailless. Upperside orange with wide brown borders on forewing. Underside of male brown, female brownish-white; both with postmarginal and submarginal lines of irregular small black spots.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males perch on shrubs to watch for receptive females. Eggs are laid singly on leaves or twigs of host plant; they hibernate and hatch the following spring. Caterpillars eat leaves.
Flight: One flight from June-July.
Caterpillar Hosts: Antelope brush (Purshia species) and mountain- mahogany (Cercocarpus montanus) in the rose family (Rosaceae).
Adult Food: Flower nectar.
Habitat: Sagebrush scrub, juniper-pinyon woodland, brushland, pine woodland, chaparral.
Range: Local within its range. Western Texas north and west through New Mexico, Arizona, and southern California to British Columbia.
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 1 - 24 of 328 verified sightings
Observation date: Jul 01, 2020
Submitted by: Robb Hannawacker
Region: Grand County, Utah, United States
Verified by: James Steen
Verified date: Sep 05, 2023
Observation date: Aug 12, 2023
Submitted by: Dobber31
Region: Alpine County, California, United States
Verified by: Ken Davenport
Verified date: Aug 18, 2023
Observation date: Jul 12, 2023
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 25, 2023
Observation date: Jul 18, 2023
Submitted by: shuckabone
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 19, 2023
Observation date: Aug 21, 2022
Submitted by: MAKI
Region: Eureka County, Nevada, United States
Verified by: Ken Davenport
Verified date: Aug 29, 2022
Observation date: Jun 27, 2022
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 26, 2022
Observation date: Jul 06, 2022
Submitted by: Eric Hartshaw
Region: Montrose County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 11, 2022
Observation date: Jul 06, 2022
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 10, 2022
Observation date: Jul 02, 2021
Submitted by: Naturetreker
Region: Modoc County, California, United States
Verified by: Ken Davenport
Verified date: Dec 27, 2021
Observation date: Jul 06, 2021
Submitted by: Harry Forbes
Region: Iron County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 17, 2021
Observation date: Jul 15, 2021
Submitted by: J_Martineau
Region: Lincoln County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 09, 2021
Observation date: Aug 02, 2017
Submitted by: Mark Salvato
Region: Alpine County, California, United States
Verified by: Ken Davenport
Verified date: Nov 16, 2021
Observation date: Jun 14, 2018
Submitted by: Mark Salvato
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Oct 14, 2021
Observation date: Jul 06, 2021
Submitted by: vireo-red
Region: Jefferson County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 19, 2021
Observation date: Jul 27, 2021
Submitted by: butterfly rose
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 31, 2021
Observation date: Jul 22, 2021
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 22, 2021
Observation date: Jul 12, 2021
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2021
Observation date: Jul 07, 2021
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 07, 2021
Observation date: Jul 02, 2021
Submitted by: Luna-Linuche.76
Region: Modoc County, California, United States
Verified by: Ken Davenport
Verified date: Jul 05, 2021
Observation date: Jul 03, 2021
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 03, 2021
Observation date: Jul 09, 2020
Submitted by: WYbutterflyer1
Region: Laramie County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 04, 2021
Observation date: Jul 04, 2020
Submitted by: J_Martineau
Region: Daggett County, Utah, United States
Verified by: J_Martineau
Verified date: Jan 05, 2021
Observation date: Jul 26, 2020
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 28, 2020
Observation date: Jul 10, 2020
Submitted by: Harry Forbes
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 19, 2020
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