Few insects have a more gruesome lifestyle than Darwin wasps. Rather than simply hunting other animals, these parasitic wasps lay their eggs on or inside living hosts, including caterpillars, beetles and spiders.…
When a queen wasp suddenly disappears, her colony doesn’t calmly choose a successor — it erupts into chaos. Researchers found that female wasps immediately begin battling for power, shattering the colony’s social order in a frenzy of aggression.…