Michael emailed me with a question on setting out new nests when the old nests…
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Osmia californica
Osmia californica comes out late in spring, often their emergence overlaps the latter end of the…
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Osmia californica by M. D Levin 1966
I had to go to my old stomping ground to get this article. In 10…
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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
The Wasmann Journal of Biology (Vol 32 no 1 1974) has an excellent article on…
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Osmia californica bee photos
Finding anything written about Osmia californica is not easy. Although I found an article written…
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Osmia californica- New Bee Product
This little mason bee Osmia californica, emerges soon after the early spring mason bee Osmia…
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