Perdita californica
(Cresson, 1878)
California Fairy Bee
Perdita californica is a small mining bee in the Andrenidae, commonly known as the California Fairy . The is native to California and Baja California, with two recognized : P. c. californica and P. c. inopina. Like other members of the Perdita, it is a solitary bee. The genus Perdita contains over 700 species, many of which are with narrow plant associations.

Pronunciation
How to pronounce Perdita californica: //pɛrˈdɪtə ˌkæləˈfɔrnɪkə//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Members of the Perdita are among the smallest bees in North America, typically measuring 2-10 mm in length. P. californica can be distinguished from other Perdita by geographic range and subtle morphological features, though precise diagnostic characters require examination. The species lacks the dense hairiness of larger bees such as honey bees or bumble bees.
Images
Distribution
Found in California and Baja California. GBIF records indicate presence in North America and Middle America.
Ecological Role
As a member of the Perdita, this likely functions as a , though specific ecological roles have not been documented for this species.
Similar Taxa
- Perdita minimaAnother very small Perdita ; P. minima is the smallest known in North America at approximately 2 mm, smaller than P. californica
- Other Perdita speciesOver 700 exist in the , many with overlapping ranges in California; precise identification requires examination of subtle morphological characters
More Details
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- 'Am I Even a Bee?' Identity Crisis Unfolds in This Charming Book | Bug Squad
- Primary Type List | Entomology Research Museum
- The Big 43: The California Native Plants, Plus One, Studied in UC Davis Research | Bug Squad
- Bohart Museum: Learn about California's State Insect on UC Davis Picnic Day | Bug Squad
- A Mural Like No Other | Bug Squad
- A Flash of Orange: Welcome, California Tortoiseshell! | Bug Squad