Hops Azure
Celastrina humulus Scott & D. Wright, 1998
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Upperside of male powdery blue. Female with extensive black and iridescent blue variably invaded by white scaling. Underside of hindwing mostly white with few black spots or none.
Wing Span: 13/16 - 1 1/16 inches (2.1 - 2.9 cm).
Life History: Caterpillars eat flowers.
Flight: One flight from mid-June to early July just after flight of Spring Azure .
Caterpillar Hosts: Hopes (Humulus japonica) and lupine in one drainage.
Adult Food: Flower nectar.
Habitat: Mountain foothill canyons and ravines from about 5800-6500\', usually associated with patches of hops.
Range: Colorado Front Range from Larimer County south to El Paso County.
Conservation: Habitat may be threatened by the spread of alien weeds and resultant wildfires.
NCGR: G3 - very rare or local throughout its range or found locally in a restricted range
Management Needs: Survey habitats and protect them from alteration and exotic plants.
Comments: NULL
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Verified Sightings
Displaying 1 - 23 of 23 verified sightings
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/hops_azure_f_ventral_eldorado_mountain_os_osmp_boulder_co_colorado_june_14_2022_christian_nunes.jpg?itok=XHY2Fq6Q)
Observation date: Jun 14, 2022
Submitted by: Christian.Nunes
Region: Jefferson County, Colorado, United States
Verified by: mikefisher
Verified date: Feb 25, 2023
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_7547_3.jpg?itok=PCU97TRL)
Observation date: Jun 30, 2021
Submitted by: Mathew Brust
Region: Dawes County, Nebraska, United States
Verified by: J_Martineau
Verified date: Jul 01, 2021
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_7533b.jpg?itok=rSBlzhdz)
Observation date: Jun 30, 2021
Submitted by: Mathew Brust
Region: Dawes County, Nebraska, United States
Verified by: J_Martineau
Verified date: Jul 01, 2021
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/celastrina.humulus062719-1156c.jpg?itok=Le86pGVo)
Observation date: Jun 27, 2019
Submitted by: MaryAnn Friedman
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 21, 2019
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/filefield_paths/hops_azure_applevalleyrd_lyons_co_bouldercounty_6-24-2017_christian_nunes.jpg?itok=_X6HrHPF)
Observation date: Jun 24, 2017
Submitted by: Christian.Nunes
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 22, 2017
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/img_1423_2.jpg?itok=1qJor0iR)
Observation date: Jun 21, 2011
Submitted by: ca_quail
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 22, 2011
![](https://www.butterfliesandmoths.org/sites/default/files/styles/bamona_scale_and_crop_640px_by_640px/public/bamona_images/celastri.jpg?itok=rsd-i7VP)
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
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Observation date: Jun 28, 2008
Submitted by: stevekohler (Steve Kohler)
Region: Carbon County, Montana, United States
Verified by: legacy.verifier (Steve Kohler')
Verified date: Mar 13, 2009
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: May 29, 2001
Submitted by: legacy.reporter (Megan Hansen)
Region: Lewis And Clark County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: Jun 22, 1993
Submitted by: stevekohler (Steve Kohler)
Region: Yellowstone County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: Jun 22, 1993
Submitted by: stevekohler (Steve Kohler)
Region: Stillwater County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: Jul 10, 1979
Submitted by: stevekohler (Steve Kohler)
Region: Sweet Grass County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: El Paso County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Clear Creek County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Boulder County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Elbert County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Adams County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Observation date: unknown
Submitted by: legacy.reporter
Region: Denver County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Jefferson County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Gilpin County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Arapahoe County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Larimer County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
![](/sites/default/files/no-image-icon-480x360.png)
Observation date: unknown
Submitted by: legacy.reporter
Region: Douglas County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004