I have 1 male and 3 females, and I have changed the vermiculite out in the past, not anymore trying not to distrube the eggs.
you're having the same problem i am having! we incubate at around 81 degrees but they all mold! we had one hatch but it died after three weeks sorry im not much help but at least now you know you're not the only one. it sounds like your doing everything right just keep trying!
Undo the screw, turn right side up, retighten the screw. Peace.
I would advise not to touch them.and make it less than 83. After that keep trying again.It has nothing to do with the male or female or with u.its in the genes just sit there, Keep trying, And wait along