What the hell is this and can it be filled?

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jdl1988
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What the hell is this and can it be filled?

Post by jdl1988 » Fri Apr 19, 2019 4:22 pm

Hi there are several of these above our kitchen window and patio doors. I've just noticed bees going in and out of them so my question is, what are they and can they be filled with silicone/pollyfilla to deter the bees!? Cheers.
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Re: What the hell is this and can it be filled?

Post by moderator2 » Fri Apr 19, 2019 4:52 pm

I'll move this to general DIY in a MO. Certainly not a gardening question.
cotswold builders
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Re: What the hell is this and can it be filled?

Post by cotswold builders » Fri Apr 19, 2019 5:12 pm

They are weep hole vents don't fill in you can fit some gauze over the vent
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wine~o
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Re: What the hell is this and can it be filled?

Post by wine~o » Fri Apr 19, 2019 5:20 pm

cotswold builders wrote:They are weep hole vents don't fill in you can fit some gauze over the vent
You could but chances are they are mortar bees aka masonry bees and will do no harm at all if left undisturbed.

https://en.wikipedia.org/wiki/Mason_bee
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Re: What the hell is this and can it be filled?

Post by Grumps » Sat Apr 20, 2019 8:23 pm

On the subject of Masonary Bees, some years ago I was repointing the poorly maintained stone wall of a building. Every so often a Bee would come along, observe that their normal 'entry route' was now blocked, and go elsewhere.

Initially it was quite unnerving as I tend to have a bad reaction to bites and stings, but these were in no way aggressive. They just hovered for a few seconds and then wandered off to explore a different cavity.
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