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…

Read Article →
Pests of mason bees- in colour

Pests of mason bees- in colour

This is a great link to view coloured photos of mason bees pests. Link to coloured photos of mason bee pests

Read Article →
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…

Read Article →