In article , Steve
Harris writes

Then it's also well known that ladybirds eat aphids. I had loads of both
but the ladybirds couldn't be arsed to wander over to the aphid-ridden
plants.

It's the ladybird larvae that eat the aphid. And, yes, I've seen them.

--
Kay Easton

Edward's earthworm page:
http://www.scarboro.demon.co.uk/edward/index.htm