Hatching a mantis egg case

[calng424]

From http://www.insectlore.com/xinsectucational_stuff/instructions/mantis_egg_case.html
I read At a room temperature of 67 - 78 degrees, they should hatch in 3 to 6 weeks.
67-78?! wont they get cooked?

 

[Nepfreak]

If you're in Celsius, they will most definitely be cooked

In Fahrenheit it's a nice, pleasant temp range though.