Gracillariidae is the main family of leaf mining moths. Worldwide there are 98 genra and 1800+ species, several of which are invasive pests of agriculture.
Hepialidae is a family of moths, which are commonly called Swift Moths. The family contains some 500 species worldwide, five of which are found in the UK.
A family of moths known as the Eggers, Snout moths or Lappets. There are over 2000 species worldwide and the name Egger comes from the egg shaped coccoon that some of the species create.