Andrena frigida

Smith, 1853

Frigid Mining Bee, Cold Miner Bee, Frigid Miner

Andrena frigida is a solitary mining to North America, first described by Frederick Smith in 1853. As a member of the , it is a ground-nesting that excavates tunnels in soil to provision with pollen and nectar for its . The species epithet 'frigida' (Latin for 'cold') suggests association with cooler conditions or early-season activity, though specific ecological details remain poorly documented.

Andrena frigida, male, back 2012-08-02-18.22.04 ZS PMax (8194018036) by USGS Native Bee Inventory and Monitoring Laboratory from Beltsville, USA. Used under a Public domain license.

Andrena frigida, male, face 2012-08-02-18.29.27 ZS PMax (8192929669) by USGS Native Bee Inventory and Monitoring Laboratory from Beltsville, USA. Used under a Public domain license.

Pronunciation

How to pronounce Andrena frigida: //ænˈdriːnə ˈfrɪdʒɪdə//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Andrena frigida can be distinguished from other Andrena through microscopic examination of morphological features, particularly in males and facial in females. As with most Andrena species, field identification to species level is challenging and typically requires knowledge and reference collections. The Andrena is characterized by velvety of hair (foveae) on the of females, and most species have banded .

Images

Habitat

Based on the of the Andrena, A. frigida likely nests in bare or sparsely vegetated ground with well-drained soils. Mining generally require exposed soil surfaces for nest excavation and prefer sunny, south-facing slopes. Specific associations for this have not been documented.

Distribution

Recorded from North America, with confirmed observations from Vermont and broader distribution across the continent. The exact range boundaries remain poorly defined due to limited survey effort and taxonomic challenges.

Life Cycle

As a solitary , Andrena frigida has a typical of the : females excavate individual nest burrows in soil, construct provisioned with pollen and nectar, lay , and seal cells. develop underground, pupate, and emerge as the following season. Males typically emerge before females.

Behavior

Females are solitary nesters, each constructing and provisioning her own burrow without cooperative . Males nesting areas seeking mates. Like other Andrena , individuals likely forage within limited distances from nests.

Ecological Role

As a , Andrena frigida contributes to pollen transfer for flowering plants within its range. The specific associations remain undocumented. As a ground-nesting , it also contributes to soil aeration through burrowing activity.

Similar Taxa

Andrena carliniAnother North Andrena with similar size and general appearance; distinguished by subtle morphological differences in facial and structure.
Andrena barbilabrisShares ground-nesting and general ; A. barbilabris is specifically associated with sandy and has distinctive hair characteristics on the .

More Details

Taxonomic History

Described by British Frederick Smith in 1853, the has received limited modern taxonomic revision. The specific epithet 'frigida' may refer to northern distribution, cool-season activity, or simply be a Latin descriptor without direct ecological meaning.

Data Limitations

Despite over 1,300 iNaturalist observations, peer-reviewed ecological studies of Andrena frigida are absent from available literature. Most biological information must be inferred from -level characteristics, which may not accurately reflect this ' specific requirements.