Our only hope...
...is that the rampaging hordes of deadly processionary caterpillars will develop a taste for squirrel flesh. Then we can use equip Weta's robotic zombie lizards with flame-throwers and get them to destroy the lepidopteran menace.
How we stop the planet being overrun by necrogeckos is still in the R and D phase down at the pub, but laser guided armadillos look promising right about now.