Last spring, I bought a couple of praying mantis egg cases and, after they hatched, released carnivorous death on my garden pests. While doing yard work today, I discovered a handful of familiar looking egg cases on various stalks in the garden. So I harvested them and put them in a zip lock bag in the refrigerator. What’s the best way to keep the eggs alive and healthy over the winter? Is the refrigerator a good idea or should I just put them in the (fairly cool) cellar? Should I put in some wood shavings to keep the humidity up?
Is there anything that lays eggs cases that I might be confusing with those of the praying mantis? (Looks a bit like an oval piece of styrofoam on a stick.)