Mason Bees at work

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Mar 17, 2008
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Michigan
Put up a bee house for Mason and leafcutter bees last year. Harvested about 35 cocoons as many were destroyed by insects before I could harvest them. They are busy this year and I am pulling the tubes when filled so I can try to stop the insects getting to them. They are fun to watch and non aggressive. They are also far better pollinators than honey bees.
 
I see these guys around a lot. Definitely not aggressive as I've learned. They will buzz by you but don't do anything.
 
I'm not at all sure I understand. Why do you want these around and why are the tubes not reusable? I'm guessing the tubes have larvae in them and the clay?
 
Very cool, thanks for sharing.

What do you do with the tubes after you pull them?
I store them until fall as they make cocoons. Then I open up the tubes and harvest the cocoons. I store them in the frig in a container over the winter. In the spring I put the cocoons outside in a container so they can hatch.
 
I'm not at all sure I understand. Why do you want these around and why are the tubes not reusable? I'm guessing the tubes have larvae in them and the clay?
They are non aggressive and great pollinators for my flowers. They are 2-3 times better pollinators than honey bees

The tubes could possibly be reused if I didn't harvest the cocoons, but cutting open the tubes to harvest the cocoons destroys them. The replacement tubes aren't too expensive so I don't worry about it.

Yes, each tube can have 5-7 larvae in them. Females towards the back of the tubes, males in the front. They seal them off with the clay soil. Very cool and ingenious stuff.
 
An interesting fact about Mason bees is that their body like many other native bees is hairy. The hairs collect and hold onto more pollen that is then transfered to other plants. Isn't nature amazing?
 
Very cool, thanks for sharing.

What do you do with the tubes after you pull them?
To add to it: Last year many of the tubes had holes in the clay seals. when I opened them up you could tell all the larvae had been eaten from one end to the other
 
Back when I lived in SW Washington, I was discussing pollinizing blueberries with my county commissioner. He suggested using orchard mason bees. I told him, "I can't, I am Catholic." He just looked at me with a puzzled expression. He was Mason, but that is not really related to the story. Anyway, the commissioner next to him said what I needed was Knights of Columbus bees. Between honey bees, bumble bees and other insects, we always managed decent pollinization. Bees are not the only insects that spread pollin.
 
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