Egg cases

Earlier this summer I found a few praying mantis egg cases, of both Mantis religiosa and Tenodera sinensis.  The Tenodera egg cases hatched and my friends and I raised some of the young for a while, however the Mantis egg cases never hatched. I’m not sure why – I never had much luck with these as a kid either!

mantis_1 copy

I found this egg case already ripped open. You can see the eggs on the inside, surrounded by the foam of the case. Too bad they never turned into baby mantises. mantis_2 copyIf you have raised european mantids before, have they required any special treatment (temperature, humidity) in order to hatch successfully?

Posted on August 15, 2014, in Invertebrates, Mantidae and tagged , , , . Bookmark the permalink. 6 Comments.

  1. I never had much luck either. As a kid I would find dozens of egg cases and not a single hatchling came out.

  2. Don’t the eggs need diapause? They are supposed to overwinter. If these cases were this year’s eggs, they would need to be chilled before hatching.

    • These were found pretty early in the year, they were last year’s eggs. But if I find any fresh egg cases I’ll overwinter them the same way we do for our pupae.

  3. I have had several eggcases from Sphodromantis lineola, but none of the females were in touch with a male, so I guess they either contained no eggs or eggs that were not fertilised. No luck with babies at all… 😦 Sorry, I cant help.

    But your pictures are gorgeous as always :)))

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Ryerson Lab

Functional Morphology, Sensory Biology, Behavior, Biomechanics

I spell it nature

Trying to make sense of the world through science and language.

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