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Mortar bee pollen?

BenCottoBenCotto RutlandPosts: 4,039
Can anyone identify this, please?

There is an accumulation of 50+ of these yellow-brown pellets a bit bigger than a match head and very crumbly. They are below and in the frame of a Velux window where a bee is buzzing round. It could be a mortar bee but I am not sure.

My wife is quite phobic about bees so, if this is the issue, I would like to encourage it to move further down the roof line away from this window that we like to open. Any ideas, please?


  • Blue OnionBlue Onion Posts: 2,928
    Looks like it could be the remains of the pollen from where the young hatched out.  Males don't have stingers, and evidently the females only sting if trapped.. and even then, it's supposed to only be mildly uncomfortable.  They've never bothered me. 

    Can you see where they are nesting?  Could you cover the area with a thin bit of metal or plastic to discourage them from returning?  Maybe put more suitable accommodations for them at the far end of your garden instead?  Bee hotels are easy to DIY.
    Utah, USA.
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