Solved Apple problems (fruit): help with identification

Hello all,
Would anyone be able to identify the culprit in these photos?
They were taken in an urban garden in the south west of the UK.
The fruit is apple.

Many thanks -
900 m up

 

Apple Ermine moth

WOW that's a tall tree

 

Actually @Pete8 , my sister told me about her quest, armed as she was only with a pruning saw. And it wasn't far off those 900 m. She didn't quite need oxygen. Still, it will teach her to take better care of her trees.

Apple Ermine moth: Thank you.

I've a page at the RHS that gives advice on control.
Would it help in any way to apply grease bands, and to spray (winter oil)?

 

It's not something I've had to deal with on my trees, but the RHS suggests leaving them be if there's not a lot of damage as it's unlikely to do much harm to a mature tree and should affect many apples.
The only pesticide I'd use on something I was planning to eat from would by pyrethrum.
It's a contact pesticide so is not absorbed by the tree, only the pests.
It lasts about 7 days so may need to be repeated.

I hope your sis manages without oxygen

 

Thanks @Pete8.
I know she'd like to be extremely careful with the chemicals.

For her next pruning expedition, I've organized a sherpa.