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Daily Archives: April 23, 2011

This is the 3-hole Beediverse Observation Nest.
Leafcutter bees are present in the left hand nesting tunnel.  The
remaining two nesting tunnels  are occupied by mason bees.
A thin film of acetate sits on top of the tunnel and below the lid.

“Spring is herei was walking around checking the honey beez and checked the masonic beez to see how they were doing.  i was wondering what i did with my small observation hive……couldn’t remember at first, then there it was, about eye level right in front of me.  Duuuuuu.  i had done nothing with it last year.  forgot about it entirely……” Cal M.

Matt B. writes.

“We’re seeing a curious phenomenon this year, and hope you can enlighten us.  As we’ve done previous years, we set our cocoons out in plastic tubs with little holes cut in to let the bees emerge.  This year the bees (or perhaps some other creatures we haven’t seen) seem to be leaving splats of mud on the outside of the release tubs, concentrated around the holes.  I’ve attached a photo of one of the tubs.  You can see they’ve dropped some mud on the plywood on their approach to the tub as well.  We’re seeing male bees flying, but haven’t seen any female bees or any activity around the nesting tunnels.  Have you seen this before?  Are the bees doing it?  Do you know why?”  

 These ‘splats’ of mud are the ‘post emergence fecal droppings’ or simply put ‘bee poop’.  It  is a good sign to tell us that bees have emerged.   Now that warmer spring temperatures have arrived on the West coast of North America female mason bees will soon be emerging, mating and pollinating.  Thanks for the photo and your questions!  Margriet

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