just saw this little beastie with its head in one of my cherry tomatoes.

I didn't realise that there were UK based caterpillars which fed on
tomatoes
(hardly an outdoor native crop).

Perhaps the Greater Striped Tomato Chutney Moth?

Cheers
Dave R

I think it is a "Bright-line Brown-eye" moth, a recognised pest of tomatoes.

Horrible things are so well disguised that it is difficult to find them.
They grow quite large before dropping off and pupating under the soil for
the winter, and then hatching out the following spring. So if they are in
the greenhouse, the problem will return next year if you don't catch and
despatch them :-(

I speak from experience........ urgh!!

Marina
E. Sx