Anthophora villosula
Smith, 1854
Asian Shaggy Digger Bee
Anthophora villosula is a solitary digger bee native to Asia that was introduced to North America in 1988. The has established in Maryland and is undergoing ongoing distribution expansion across the United States. As an introduced for crop pollination, it has received limited research attention despite its potential ecological impacts on native bee and floral .



Pronunciation
How to pronounce Anthophora villosula: /ænˈθɒfərə vɪˈloʊsuːlə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
A. villosula is a digger bee in the Apidae, characterized by the shaggy hair covering implied by its specific epithet. As an anthophorine , it likely exhibits the robust body form and dense pilosity typical of the Anthophora. Precise identification features distinguishing it from native North American Anthophora are not well documented in available sources.
Images
Distribution
Native to Asia (Japan and broader Asian range). Introduced to North America in 1988, with established in Maryland and ongoing range expansion across the United States. Present in Europe and Northern Asia (excluding China), North America, and Southern Asia according to GBIF records.
Ecological Role
Introduced with potential for competition with native bees, disruption of plant-pollinator networks, and transmission. Specific ecological impacts remain understudied.
Human Relevance
Managed for crop pollination and introduced to North America for this purpose. Subject of concern regarding potential invasiveness and negative effects on native . Monitoring through community science and online photo-sharing platforms has been suggested as a surveillance method.
Similar Taxa
- Anthophora bomboidesBoth are digger bees in the same with similar nesting in sandy substrates, though A. bomboides is native to western North America and a documented mimic.
- Native Anthophora speciesPotential for competition and ecological overlap; precise differentiation requires identification.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- Digging the Digger Bees and the Newly Published Research | Bug Squad
- UC Davis: All A'Buzz With Bee Nests and Art | Bug Squad
- Congratulations, Microbiologist Shawn Christensen: Best Dissertation | Bug Squad
- A Silver Digger Bee in Flight at Bodega Head | Bug Squad
- The Beckoning Bees at Bodega Bay | Bug Squad
- California Has No State Bee--Yet! | Bug Squad
- Anthophora villosula (Hymenoptera: Apidae): current status of an introduced pollinator in North America