Callophrys gryneus sweadneri
(F. Chermock, 1945)
Sweadner's Juniper Hairstreak, juniper hairstreak, olive hairstreak
Callophrys gryneus sweadneri is a of juniper hairstreak in the Lycaenidae. It occurs in North America and has been documented in Oklahoma and Kansas. have been observed in late April and late August, suggesting a spring and late summer period. The subspecies is associated with juniper , consistent with the -level of C. gryneus.
Pronunciation
How to pronounce Callophrys gryneus sweadneri: /kæˈlɒfrɪs ˈɡraɪniəs swɛdˈnɛraɪ/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
As a of Callophrys gryneus, C. g. sweadneri would be distinguished from other C. gryneus subspecies by subtle differences in wing coloration, pattern, or size. The is characterized by greenish underwings with white postmedian lines and small tails on the hindwings. Specific diagnostic features for sweadneri versus other subspecies are not documented in available sources.
Habitat
Associated with juniper (Juniperus) woodlands and adjacent open areas. Observations include mesquite chaparral with hackberry/bumelia/juniper canyon woodland in Oklahoma, and oak-hickory forests with Eastern Red Cedar glades in Kansas.
Distribution
United States: documented in Oklahoma (Woodward County, Major County) and Kansas (Leavenworth County). GBIF records indicate additional occurrence in Vermont, though this may represent taxonomic confusion or misidentification given the ' described range.
Seasonality
active in late April and late August. Two periods per year are suggested by observations, though this pattern requires confirmation.
Host Associations
- Juniperus - larval plantInferred from -level ; specific confirmation for sweadneri not documented
Similar Taxa
- Callophrys gryneus gryneusNominate ; distinguished by geographic range and subtle morphological differences
- Callophrys affinisWestern green hairstreak; similar green coloration but different wing pattern and distribution
- Strymon melinusGray hairstreak; similar size and tail-like hindwing projections but gray coloration rather than green
More Details
Taxonomic Status
GBIF lists this as a synonym under Mitoura gryneus, reflecting historical taxonomic instability in the . The subspecies was described by F. Chermock in 1945.
Observation Context
The name 'sweadneri' appears in field observations from Oklahoma, though some sources may apply the broader name C. gryneus to these . Specific subspecies identification requires careful examination and may not be consistently applied in citizen science records.