Thicket Hairstreak
Callophrys spinetorum (Hewitson, 1867)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Tailed. Upperside steel-blue. Underside reddish brown; hindwing with white postmedian band which forms a W near tails.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males perch in tall trees to find receptive females. Eggs are laid singly on mistletoe and caterpillars eat all external parts of it. Chrysalids hibernate in the mistletoe mass.
Flight: One flight from May-August.
Caterpillar Hosts: Dwarf mistletoes (Arceuthobium species), in the Loranthaceae family, which grow on juniper, pine, and fir trees.
Adult Food: Flower nectar.
Habitat: Pinyon-juniper forest, mixed woodland, coniferous forest.
Range: Usually local and rare. British Columbia southeast through Rocky Mountains to New Mexico and into Mexico; south through California into Baja California.
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: Not reported.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 502 verified sightings
Observation date: Jul 18, 2022
Submitted by: richtrebbien
Region: Valley County, Idaho, United States
Verified by: stevekohler
Verified date: Apr 24, 2023
Observation date: Jul 15, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Feb 27, 2023
Observation date: Jul 15, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Feb 27, 2023
Observation date: Apr 08, 2022
Submitted by: J Tinsman
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jan 19, 2023
Observation date: May 23, 2016
Submitted by: Robb Hannawacker
Region: Grand County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 15, 2022
Observation date: May 02, 2021
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 07, 2022
Observation date: Jul 31, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 30, 2022
Observation date: Jul 12, 2022
Submitted by: dsperanza
Region: Montana, United States
Verified by: J_Martineau
Verified date: Jul 31, 2022
Observation date: Jun 01, 2022
Submitted by: hasfitz5
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jul 30, 2022
Observation date: Jun 01, 2022
Submitted by: hasfitz5
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jul 29, 2022
Observation date: May 25, 2022
Submitted by: hasfitz5
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jul 25, 2022
Observation date: Jul 02, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 23, 2022
Observation date: Jul 02, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 23, 2022
Observation date: Jul 12, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 18, 2022
Observation date: Jun 27, 2022
Submitted by: AaronB
Region: Montana, United States
Verified by: J_Martineau
Verified date: Jul 09, 2022
Observation date: Jun 26, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 09, 2022
Observation date: Jun 28, 2022
Submitted by: Cascade Colors
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 06, 2022
Observation date: May 31, 2022
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jun 01, 2022
Observation date: May 15, 2022
Submitted by: Marta Reece
Region: Grant County, New Mexico, United States
Verified by: stevecary
Verified date: May 17, 2022
Observation date: Apr 30, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: May 07, 2022
Observation date: Apr 26, 2022
Submitted by: bonfrey
Region: Cibola County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2022
Observation date: May 03, 2022
Submitted by: Ed Rothwell
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: May 05, 2022
Observation date: May 01, 2022
Submitted by: weflybye
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: May 04, 2022
Observation date: Jun 12, 2021
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Sep 23, 2021
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