Good idea! Glad they are still hovering around; would be a total disaster if it ruined the nests totally.

Is the bee(s) still hovering around the nest? Hopefully they will keep working away, after all, they can be active until the end of July.

Thanks for the replies It looked quite promising yesterday - as I was on planting in the garden, I noticed a small solitary bee on one of the apple trees. So there must be some Osmia rufa out there somewhere. Sorry about the quality, I took the pictures on my 1.3 Megapixel mobile phone hehe. http://...

I'm having difficulty attracting Osmia Rufa to my nests. I've had it up since November last year and not had even a sniff... well except for a blue bottle yesterday and a wasp a month ago. I've followed all instructions as described by Cristopher O'Toole on how to place the hive. Could it be where I...