Subfamily:	Genus:	L. ambiguus Emery	MN: facultative polygeny & polydomy, less in thicket, nest in plant cav.	w139 11b 10b 9b 8b 7b 6b 5b 1b
Myrmicinae	Leptothorax	L. ambiguus foveatus Smith
		L. crassipilis Wheeler, W.M.
		L. curvispinosus Mayr	facultative polygeny & polydomy; queen adoption	w 11a 10b 9b 8b 7b 6b 5b 1b
		L. duloticus Wesson, L.G.
		L. longispinosus Roger	MN, TC: facultative polygeny & polydomy; genetic effect; sex ratio	w 9a 8b 7b 6b 5b 1b
		L. muscorum (Nylander)	MN: YSNP infected by sporozoa
		L. pergandei Emery
		L. rugatulus Emery
		L. schaumii Roger		w 8a 7b 6b 5b 1b
		L. texanus Wheeler, W.M.	MN	w 1a 2a
		L. texanus davisi Wheeler, W.M.	MN	w 4a 3b 2b 1a
		L. tricarinatus Emery	frewuently crawl over leaves of underbrush	w 4b 3b 2b 1a