Saw the recognition giude for these
It said, basically: size - variable, color - variable, pattern - variable. Well, that's helpful.

Also, have a repost from last time this QotW tipped up:

I and my family got attacked by ladybirds*.

Yup. Ordinary black and red ladybirds.

One holiday in Norfolk (1976, I think), we were on the beach at Holkham, and a swarm came over - thousands of them, no, millions. They were obviously very hungy, and not having any aphids on which to sup, turned their attentions to us.

We had to pack up and go home, hiding under towels.

* That's "ladybugs" for the Atlantically Challenged.
( Amish Information Systems hates misplaced, commas, Fri 25 Apr 2008, 14:12, Reply)