Kids of wasp-cannibals eat their siblings because nature is cruel

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If you are growing baby wasps with a voracious appetite and a declining supply of insect carcasses for food, home delivery is not an option. Your next meal is something that is nearby in your closed nursery, and for some larvae this means that tomorrow’s dinner will probably be their closest brother or sister.

Scientists have recently reported that sibling cannibalism is surprisingly common in larvae of this species Isodontia Harmandi, a type of solitary wasp that does not live together in hives. Most likely, individual females create nurseries in the cavities of plants found in nature, laying about a dozen eggs in the bodies of paralyzed insects, which the larvae then consume after hatching. Having laid eggs, mother wasps kill in children’s still victim of insects and seal up an entrance with pieces of a moss.

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