One of the largest insects in the world, the giant weta, is native to which country?

Giant wētā are several species of wētā in the genus 'Deinacrida' of the family 'Anostostomatidae'. Giant wētā are endemic to New Zealand and all but one species are protected by law because they are considered at risk of extinction.

There are eleven species of giant wētā, most of which are larger than other wētā, despite the latter also being large by insect standards. Large species can be up to 10 cm (4 in), not inclusive of legs and antennae, with body mass usually no more than 35 g (1.2 oz). One gravid captive female reached a mass of about 70 g (2.47 oz), making it one of the heaviest insects in the world and heavier than a sparrow.

Giant wētā tend to be less social and more passive than other wētā. Their genus name, 'Deinacrida', means "terrible grasshopper", from the Greek word δεινός ('deinos', meaning "terrible", "potent", or "fearfully great"), in the same way 'dinosaur' means "terrible lizard". They are found primarily on New Zealand offshore islands, having been almost exterminated on the mainland islands by introduced mammalian pests.