You can keep air humidity high by putting substrate on the bottom of the container. You can find this information in the Species section of this website. As tropical mantis species don’t experience seasons in nature, they don’t need a diapause.įor hatching the mantis eggs, you need to keep the humidity and temperature in the container on the appropriate level for your species of mantis. After that you can keep the ootheca as described. Keep the ootheca cooler, around 12 – 15 degrees Celcius, for at least 8 weeks. Species that have a diapause in nature, for example the European Mantis, need to get this pause in captivity too. Higher temperatures will trigger the development. Low temperature will arrest the development of the ootheca. ![]() A diapause is a pause in development in winter, making it possible for the mantis to produce its eggs in fall and have the nymphs hatch in spring. Some species of mantis need a diapause, tropical species others do not. This is generally the outer edge of the ootheca. You can also use a needle to attach the ootheca, but you can only put the needle through a part of the ootheca that has no eggs in it. Be sure to cover all the tape, because any leftover tape will kill nymphs that try to walk on it. You have to place it in the same orientation as the female has placed it! Attach the ootheca with double sided tape. Put the ootheca on the inside of the lid of the container. The container should have plenty of ventilation, either through a mesh or by punching holes in the plastic container. Of course extremely small species will do with less space, but generally these dimensions are suitable for all species. Place the ootheca in a container that is more than 15 cm high and more than 8 cm wide to ensure there is enough space for the nymphs when they hatch. The female will also eat the nymphs if she is housed with them. ![]() It is recommended to remove it, because the nymphs need a different environment than the adult female. Around 3 – 5 days after she has laid the ootheca, it has hardened enough to be removed from the enclosure of the female. When the female produces an ootheca, you have to make sure not to disturb her.
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