Caterpillar

Hummm, something looks familiar about this caterpillar.

It is very, very hairy, grey, and has a black and yellow head area. On its back are five pairs of blue round, coloured bumps (tubercles) and then seven pairs that are red. The tubercles on the side look more yellow. It's sleeping on our walnut tree.

I wonder...oh yes, it's the nasty gypsy moth caterpillar. It, and its friends, can strip all the leaves from a tree very quickly which, if it happens for a few years in a row, can kill the tree.

Hummm, it looks green inside. I don't think I will post that photo.