Arachnocampa

Arachnocampa is a family of flies. They are also called Fungus gnats. They occur in Australia and New Zealand. Their larvae are glowworms.

Larvae of Arachnocampa limionosa, with their sticky threads

They were called Bolitphila (mushroom-lovers) until 1924. Then people found out that their larvae use silk threads to catch prey. Their current name means spider-grub.