Be patient and maintain the egg case at room temperature. Don’t forget to provide humidity by misting the enclosure (not the egg case directly!) very lightly with water once a week. Dehydration is one of the main reasons egg cases fail! Your young mantises will hatch in 3 to 10 weeks.
When the egg case hatches, take your Praying Mantis Pagoda outdoors and release all but one or two of your young mantises for observation. The Praying Mantis Pagoda or Pop-up-Port-a-Bug is a good home to raise a single adult praying mantis.
Take your Praying Mantis Pagoda outside and unzip the top of the habitat. Let your mantises leave slowly. Do not shake the habitat. Your mantises will be hungry, so try to release them near plants infested with aphids or other insects.
We recommend that you release your mantises shortly after hatching. Failing to do so causes undue stress as tiny mantids are fearful of each other, and the possibility that they themselves will become prey. Their bodies contain only a small amount of residual nutrition and this is used up quickly under these conditions. Normal behavior of newly hatched mantids is to fall from the old egg case to lie among leaves and flowers, while watching for small prey. To keep for rearing, separate them from others and rear individually.