Bee hotel has a vistor

Got a couple of bee hotels for the kids 2 months ago one to take into school and one for the Garden. I noticed yesterday 2 holes had been filled in and a wasp in another hole doing something. Looked online and found out It's not a wasp and Is a solitary bee and is filling the hole with mud. I spent about an hour watching it fly back a forth filling it with mud. I also noticed it was putting baby green caterpillars in the hole before filling them which was strange. attached a couple of pictures but not great quality.
Its the first time seeing something like this even as a kid I didn't now a 30 year old male and I feel like a big kid getting excited about this.




0
Posts
The caterpillars are there for food
I'm nearly 50 and excited for you Coys
They are well cute and exciting too, hope you keep us updated 
OMG re the caterpillar s I never knew that!
Great photos Coy
put my bee hotel in a sheltered spot which is now overgrown so cant see much . Good to know that something may be happening! Will see in autumn. I didn't know about the caterpillars either. Learning all the time 
Fantastic Coys
Lovely to see gardener's efforts in gardens having a real impact. I definitely want to make one. If every garden had just one bee house think of the difference it would make to the bee colonies. Perhaps we should start a campaign
I live in west central Scotland - not where that photo is...
We have had solitary bee tubes up for a few years, spent hours watching them but never seen any caterpillars being brought in. I have only ever read that the bee grubs eat the pollen that is deposited by the parent bee. I have however, seen a few parasitic type wasps (and flies) that pop into a hole when mother bee is out collecting pollen, to deposit their own eggs. Could that have been a small wasp that was leaving some extra supplies for its offspring and then the mother bee kindly sealing the cell for it?
Great idea fairy girl, you start the campaign and I'll join!
6 holes have been filled and the bee has left. Was definitely a bee and only the 1.I was watching it for ages it went into the empty whole maybe laying eggs then it would pick up a few of the caterpillars and stuff them in the whole then it would fly off and come back every couple of minutes and start filling it in with mud.
Ha I bought mine on ebay think was £9 for 2