4 Tiny Romances That Are Almost Too Freaky to Share | KQED
Briefly

Mating for praying mantises, particularly the bordered mantis, is fraught with danger for males, who are often significantly smaller than their female partners. During the mating ritual, females may consume their partners, a strategy that benefits them by providing essential nutrients for egg production. Male mantises take the risk since they cannot survive cold autumn nights and their end is inevitable. Surprisingly, even after decapitation, male mantis bodies can still function and fertilize eggs, illustrating the remarkable yet brutal aspects of their reproductive behaviors.
When female praying mantises mate, they often consume their male counterparts, demonstrating a bizarre reproductive strategy that fuels their survival.
Male mantises approach mating as a high-risk endeavor, given their size disadvantage and the potential for being eaten post-copulation.
Despite the gruesome nature of their mating behavior, this strategy ensures the energy needed for females to produce and nurture their eggs.
Even after decapitation, male mantises can still fertilize eggs, showcasing the complex and often brutal dynamics of their reproductive process.
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