Andrena auricoma
Smith, 1879
Golden-haired Miner Bee
Andrena auricoma, the Golden-haired Miner , is a small solitary mining bee in the . Females measure 8–10 mm in length, while males are smaller at 6–9 mm. The is to the western United States, with its distribution centered in California and relative rarity outside this state. It is a ground-nesting bee that excavates tunnels in soil for .

Pronunciation
How to pronounce Andrena auricoma: /ænˈdrɛnə ɔːˈraɪkoʊmə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Andrena auricoma closely resembles Andrena astragali (the Death Camas Miner ) but is consistently smaller in size. The specific epithet "auricoma" (golden-haired) suggests distinctive golden or yellowish , though detailed morphological descriptions beyond size are not documented in available sources.
Images
Habitat
Ground-nesting requiring bare, warm, dry soil for tunnel excavation and larval development. As a mining , it nests in cavities underground.
Distribution
Western United States; distribution centered in California, relatively rare elsewhere in the region.
Ecological Role
Likely contributes to of spring-blooming flora within its range, as is characteristic of Andrena , though specific associations are not documented.
Similar Taxa
- Andrena astragaliVery similar in appearance; distinguished by larger size (A. astragali is larger than A. auricoma)
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- Catalogue of Life
- Not-so Solitary Bees - Buglife Blog - Buglife
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