Keys for the Identification of British Diptera (Flies) 

Equipping the next generation of entomologists

The current checklist of British species can be found here: https://www.dipterists.org.uk/checklist

Key to the British families of section Calyptratae.pdf
Key to the British families of Nematocera.pdf

A

Acartophthalmidae

Acroceridae

Agromyzidae

Anisopodidae + Mycetobiidae

Anthomyiidae

Anthomyzidae

Asilidae

Asteiidae

Atelestidae

Athericidae

B

Bibionidae

Bolitophilidae

Bombyliidae

Brachystomatidae

Braulidae


D-E

Diadocidiidae

Diastatidae

Ditomyiidae

Dixidae

Dolichopodidae

Drosophilidae

Dryomyzidae


Empididae

Ephydridae



F-K

Fanniidae


Heleomyzidae

Hippoboscidae

Hybotidae


Keroplatidae



N-O

Nycteribiidae

 

Odiniidae

Oestridae

Opetiidae

Opomyzidae


R-S

Rhagionidae

Rhinophoridae

 

Sarcophagidae

Scathophagidae

Scatopsidae

Scenopinidae

Sciaridae

Sciomyzidae

Sepsidae

Simuliidae

Sphaeroceridae

Stenomicridae

Stratiomyidae

Syrphidae

U-X

Ulidiidae

Xylomyidae

Xylophagidae


Notes on morphology

The mouthparts of calyptrate Diptera.pdf
Preparation and examination of the genitalia of calyptrate flies.pdf