It was once thought a natural occurrence, but it has since been shown to be mostly because the female Mantises were jarred from laboratory conditions or otherwise underfed. In the wild it rarely happens, though I wouldn't rule out the possibility if the female was starving.
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Ryik
Aug 07, 2016 at 11:01PM EDT in reply to
Heatex77
Aug 07, 2016 at 09:33PM EDT