Wolf Spiders Hunting

At night I often encounter Wolf Spiders (family Lycosidae) on the prowl. All of these specimens are probably either Tigrosa helluo, Hogna lenta, or Schizocosa sp. Any suggestions for the ID would be greatly appreciated!

Specimen #1:

Specimen #2:

Specimen #3:

Look how thick that cephalothorax is!

Specimen #4 (feeding on larvae):

Specimen #5:

Specimen #6:

References:
http://bugguide.net/node/view/45881 (Tigrosa helluo)
http://bugguide.net/node/view/38823 (Schizocosa spp.)
http://bugguide.net/node/view/112142 (Hogna lenta)