Welcome to the forum!
Never had this problem with crickets,i use vita crickets,for past 3 years i have never had a problem.if your using wild crickets,people seem to have a problem with them.
1 L5 male african twig mantis
Adult female lineola giant african mantis ready to mate
Adult Male lineola giant african mantis ready to mate
Adult Male #9 mantis (SOLD)
Adult female red armed mantis (SOLD)
Three L3 lineola giant african nymphs 1 female and 2 male
Pm me if interested.
I use sphagnum moss.Its a real moss,its alive! After a couple weeks I have black beetles and moths that just pop up! The nutrients in the moss creates its own food.so I rarely have to buy food.the moss is in all of my enclosures for All my mantises,especially the ghost,violin and orchid all love...