I have 3 Chinese praying mantis egg cases in a tank, suspended from a string. The tank is in a small sun room with windows on 3 sides. Yesterday was particularly sunny and warm, and when I went to check on the tank, I saw a tiny baby drop from one of the cases. Upon closer inspection, I found a total of 4 nymphs hanging out in there.

My main question is: do they always hatch all at once, or are there sometimes a few who pop out early? I wasn't aware that I was supposed to mist the egg cases and that drying out is apparently the most common reason for eggs not hatching. They did get water on them a few times by accident when I was pouring it in to keep the paper towel floor moist, though.

To ask my question another way: if conditions were good enough for these 4 little guys to make it out alive, is it likely that there are more to come? Also, as long as there are small fruit flies present, are they unlikely to attack each other? Thanks.

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