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Osmia taurus

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description Osmia taurus Overview

Osmia taurus is a solitary mason bee native to East Asia. It was introduced into the United States in the early 2000s and has subsequently expanded its range in parts of eastern North America, including the Appalachian region. Like other mason bees, it nests individually rather than in a large social colony, making it distinct from honey bees and other eusocial bee species.

help Osmia taurus FAQ

Is Osmia taurus a honeybee or a solitary mason bee?

Osmia taurus is a solitary mason bee in the family Megachilidae, not a colony-forming honeybee. It was first reported in the United States in 2002.[PubMed](https://pubmed.ncbi.nlm.nih.gov/36806615/)

Where did Osmia taurus come from?

Osmia taurus is native to eastern Asia and is not native to North America. Its first North American records included Maryland and West Virginia in 2002.[PMC](https://pmc.ncbi.nlm.nih.gov/articles/PMC11649344/)

How is Osmia taurus different from a European honeybee?

Unlike Apis mellifera, the European honeybee, Osmia taurus does not maintain a large social hive with workers and a queen. Each female generally nests alone in a cavity and provisions her own brood.

Why are scientists monitoring Osmia taurus in the Appalachian region?

The species has expanded through eastern North America, including parts of the Appalachian region. Researchers are studying whether its spread could create competition or other ecological effects for native Osmia bees, and they often compare it with the introduced Osmia cornifrons.

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