Introduction For more than 100 years the Glowworm Cave of Waitomo has attracted millions of people from all over the world. The glowworm, a small glowing insect no bigger than an average mosquito, has fascinated and intrigued people from all walks of life. The walk-through guided tours of the Glowworm and Aranui caves may seem tame in comparison to the adventure caving trips, but are still well ...