Ya nice lifecycle too. All that time in a cocoon so you can metamophasize into a totally difference creature so you can procreate for a day; good plan! @Capricorn:
@GlassDog: absolutely, I'd rather have moths in my house than wasps! However, the question asked was what is the most useless, and while a wasp might only be on this earth to sting humans, that is still a purpose of sorts! What the fuck does a moth do?!
