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Female w膿t膩 insects have two sets of genitals and eat male ejaculate

Female short-tailed ground w膿t膩s have two sets of genitals, one to receive sperm and the other to receive extra ejaculate that they eat to survive parenting

By Alice Klein

7 April 2022

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W膿t膩 insects on a leaf

Darryl Gwynne/University of Toronto

Females of a cricket-like insect found in New Zealand consume male ejaculate after sex to give them enough energy for the following six months of parenting, when they don鈥檛 eat. The size of the secondary genitals they use to collect ejaculate may be related to their success in mating.

Short-tailed ground w膿t膩s (Hemiandrus pallitarsis) are found on the North Island in New Zealand. at the University of Toronto in Canada has spent decades studying the insects after first observing their unique sexual repertoire in…

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