interesting Lynn, do you have more clear pics, i don't see pad on that one. here is one of my waxies nuptial pads ( dark spot on a thumb) during mating season.
Name: DSC02846.jpg Views: 11891 Size: 61.0 KB

hm it is getting more interesting.. i even being i will probably never have red eyes i still gotta know lol. if they call they have be all males, I wouldn't sex based purely on a size, there are some smaller females and bigger males. I gotta do more digging or I hope somebody who knows will chime in.