Attributes of Celastrina humulus

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.
Taxonomy Notes:

Images of Celastrina humulus

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Celastrina humulus - celastri.jpg

Celastrina humulus - celastri.jpg

The map below displays all BAMONA data for this species and has three different data layers:
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Observation Date Submitter Region Verified Datesort icon
June 21, 2011 ca_quail Boulder County, Colorado, United States September 22, 2011 Details
June 28, 2008 stevekohler (Steve Kohler) Carbon County, Montana, United States March 13, 2009 Details
May 29, 2001 legacy.reporter (Megan Hansen) Lewis And Clark County, Montana, United States January 29, 2008 Details
June 22, 1993 stevekohler (Steve Kohler) Stillwater County, Montana, United States January 29, 2008 Details
July 10, 1979 stevekohler (Steve Kohler) Sweet Grass County, Montana, United States January 29, 2008 Details
June 22, 1993 stevekohler (Steve Kohler) Yellowstone County, Montana, United States January 29, 2008 Details
January 01, 1950 legacy.reporter Larimer County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Boulder County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Jefferson County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter El Paso County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Adams County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Arapahoe County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Clear Creek County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Denver County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Douglas County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Elbert County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Gilpin County, Colorado, United States December 31, 2004 Details