North American Fruit Explorers mailing list at ibiblio

[derry and bill <wchase@interchange.ubc.ca>]

Bruce,

The life cycle of the Blue Orchard bee is one year - ie. from when the egg is 
laid
until the bee emerges is one year - give or take a few weeks depending on the
weather. There is one generation per year.

There is an excellent book on Blue Orchard bees published by Sustainable
Agriculture - see my website (address below)

In my area (PNW) they come out about two weeks before my earliest apple 
blooms and
continue for about two weeks after my latest apple blossom.

Derry

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Derry Walsh & Bill Chase
wchase@interchange.ubc.ca
Aldergrove,  B. C.,  Canada
phone/fax (604) 856-9316
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Home web pages: http://derrysorchardandnursery.ca
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----- Original Message ----- 
From: "Bruce Hansen" <brucedhansen@sbcglobal.net>

: The life cycle of Mason bees is about thirty days.