https://www.livescience.com/animals/ants/almost-like-science-fiction-european-ant-is-the-first-known-animal-to-clone-members-of-another-species
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Together, all these findings show that Iberian harvester ant queens are cloning M. structor males and not passing on any of their own nuclear DNA. Researchers now need to pinpoint the exact mechanism underlying this cloning, Romiguier said, and find out at what point the maternal DNA is removed..."