Instructions
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Place your egg case outside or in a terrarium (if you intend to keep some as pets). Your can fashion a terrarium out of any container--a jam jar or a fish bowl, for example--as long as you leave a small branch inside for the nymphs to climb. Place mesh over the top that prevents nymphs from escaping but allows for food delivery and air flow.
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2
Keep your egg case at a temperature of about 67 to 78 degrees Fahrenheit and out of direct sunlight. Inside, this is best achieved by a heating mat. Outside, hang the egg case in the shade.
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3
Maintain a humid atmosphere. Mist your terrarium lightly with water every day. If the proper conditions are maintained, your egg case should hatch in approximately 3 to 6 weeks.
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4
When they hatch, a single egg case can hold anywhere from 50 to 200 praying mantis nymphs. If you intend to keep some as pets, release all but a few nymphs within the first two days.
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5
Feed your future pets with small insects at first--aphids and flies, for example. Your nymphs will grow quickly, as will their appetite; adjust their portions and diet accordingly.
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