The Dolichopodidae are a large and widespread family of true flies, commonly known as long-legged flies. There are more than 7,000 described species in about 230 genera found all over the world, including many in the UK.
The Common Long-legged Fly (Dolichopus trivialis) is one of the most frequently seen members of the Dolichopodidae family in the UK. Like its relatives, it is a small, slender, metallic-green fly with long legs and a fast, darting flight.
