Name that bug

[Fred]

It reminds me of something I saw on Dr Who? once.
The Natural History Museum in London has this very useful forum to help with identification. I've used it a couple of times and it was very good.
I hope it's good for the garden...

Thank you Brian I have finally tracked it down after a lot of research and it's a baddie that neds to be destroyed.

Subcoccinella vigintiquatuorpunctata (aka Squash Beetle, Bryony Ladybird, 28 spotted leaf eating ladybird)

I thought all Ladybirds were good, but this one will munch happily away on your Veg so watch out.

My job tomorrow is to go squishing them.

Apparently if a Ladybird has a black head it is good, if the head is not black then you must destroy it if you grow veg.