Quote Originally Posted by adamanteus View Post
Don't quote me... but the ones you find in your yard are always the good ones, aren't they? I've never seen a 'red wriggler' (compost worm) in my garden.
Ha-ha, I'm quoting you.

The ones you find in soil are good, the ones you find under rocks, under leaves and anywhere else just below the surface or among decomposing plant matter (composts, for example) are usually bad. The big ones are good, the small ones are bad.