A group of flies that are variously known as 'March flies' or 'love bugs'.

The Calliphoridae are a large and widespread family of flies, commonly known as blowflies, carrion flies, greenbottles, bluebottles, and cluster flies. There are over 1,100 known species worldwide, and many are familiar insects often seen buzzing around gardens, fields, and urban areas.

A family of small grass flies, which are sometimes called frit flies. There are some 2000 species and 160 genera world wide.

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.