Here's a terrific little article about the stingers in ants, complete with a family tree. Ants apparently evolved from the wasps, and the evolutionary trend is to lose the stingers altogether. Common pests like fire ants seem to still have their stingers primarily to combat vertebrates, not other insects.
"Ants apparently evolved from the wasps, and the evolutionary trend is ...."
ReplyDeleteBut apparently not the Martialis heureka ant.
http://www.pnas.org/content/early/
2008/09/13/0806187105.abstract
I'd be more than happy to replace "apparently" in my first comment to "maybe."
ReplyDelete