Parasitic wasps will be very interested in your bees however. I rotate
blocks every year, putting out a clean one each year, as the wasps seem to
only attack those nests that are more than a year old. Mason bees lay a
series of eggs, each separated with a plug. Once the wasps get in, they lay
their egg on the mason bee egg and the rest is kind of like the movie alien.

Rob Sandelin
Naturalist, Writer, Teacher
Maltby, WA

_____

From: tweeters-bounces at mailman1.u.washington.edu
[mailto:tweeters-bounces at mailman1.u.washington.edu] On Behalf Of Susan Moe
Sent: Sunday, March 20, 2005 10:25 PM
To: Nancy; Tweets
Subject: Re: [Tweeters] Mason Bees


If the first choice (east side of the house) is not an option, the south
side of your house is the next best choice. The bees like the morning sun,
and are active when the sun hits their house. This advice is from my
"expert" mason bee friends. You should be greatly rewarded with terrific
pollination from these non-stinging, friendly little bees. Probably neither
the bats nor the birds will be interested in your bees.
Susan






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