One of the biggest insects was discovered in New Zealand and it is monstrous. One of the biggest insects was discovered in New Zealand on a remote island and it is monstrous. A buglover and nature lover, 53 years old Mark Moffett, discovered the giant insect after two days of tracking down new insects. He discovered the cricket-like insect, which has a wing span of seven inches, with the help of a couple of friends. This insect is classified as the Giant Weta and as far as we know, can only be found on a remote island of New Zealand. Once we got started we couldn't help but to include some other giant insects to amaze you, so below the Giant Weta Pictures, are several more giant insects to have you running for your Bug Spray.