Thanks. That clarification is a bit more reassuring.

Don't think the RHS would see the funny side! Don't want the guys in bio-haz suits raiding the place.

Thanks for that link. Fortunately, I came across the same link and have reported the sighting to the RHS.

Many thanks for your help. I'll tell my son to watch out for his box trees!

Could anyone help to ID this moth photographed on a climbing rose in a garden in east London last week? I've checked my books and the internet but without any luck. Apologies for the quality of the photos.

Thanks for the really interesting photo. Here are a couple of photos I took in 2016 of a wasp feeding on a larva (unidentified).

Thank you all for those interesting and helpful contributions. I think perhaps vulnerability while laying eggs might be an important factor. I'm not sure if these quite poor photos (although it isn't easy to capture butterflies and wasps interacting in flight) contribute much to the discussion but h...

Large Whites have been particularly active laying eggs in our cabbage patch but this year the patch has been patrolled day after day by wasps who actively chase/harass the butterflies. I haven't seen the wasps near the eggs but they definitely do approach the adult butterflies. Has anyone else witne...

This is exactly my recent experience with the one Common Blue that has appeared in our garden (Stoke on Trent) this year. I found it difficult to believe it was the same species I had photographed in previous years. I thought I must have mis-remembered the size until I saw this post.