By Sam Evans-Brown
Show of hands: Say you had a swarm of wood-boring beetles and you wanted to get rid of them. These beetles were never supposed to be here—they were brought in from Asia, unintentionally. Would a good way to get rid of them be to introduce a parasitic wasp, also from Asia, that would probably beat the beetles down?
We have been hard-wired to recognize this as folly. Exhibit A: The Simpsons.
In this episode, Bart accidentally introduces a pair of invasive Bolivian tree lizards into the town of Springfield. The local bird club is horrified at first, but then delighted, when it turns out the lizards’ preferred food is pigeon meat.
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