Osmia californica bees and nests

Osmia californica bees and nests

Michael emailed me with a question on setting out new nests when the old nests are getting filled.  He asked if adding a nest close…

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Osmia californica

Osmia californica

Osmia californica comes out late in spring, often their emergence overlaps the latter end of the Osmia lignaria (early spring mason bee) season. However very little…

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Osmia californica by M. D Levin 1966

Osmia californica by M. D Levin 1966

I had to go to my old stomping ground to get this article.  In 10 years Simon Fraser University did not seem to have changed…

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Osmia californica cocoons

Osmia californica cocoons

Osmia californica cocoons are yellowish with bright orange frass (fecal pellets) Osmia californica cocoons

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Osmia californica - Richard W. Rust

Osmia californica – Richard W. Rust

The Wasmann Journal of Biology  (Vol 32 no 1 1974) has an excellent article on a variety of bee species including Osmia californica.  It includes range maps…

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Osmia californica bee photos

Osmia californica bee photos

Finding anything written about Osmia californica is not easy.  Although I found an article written on californica by M. D. Levin, his scientific article was…

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