Keys for the identification of British Muscidae

A large family of flies in Britain with over 290 species.  Since the publication of d'Assis Fonseca's Handbook for the Identification of British Insects there have been a number of changes to classification at the subfamily level.  These changes are reflected in the keys below.

Family Muscidae, key to British subfamily and tribe.pdf

The examination of the genitalia of Muscidae and other calypterate flies is often necessary and this document goes through how to go about it

Preparation and examination of the genitalia of calyptrate flies.pdf

Subfamily Azeliinae 

Genera Azelia, Drymeia, Hydrotaea, Muscina, Neohydrotaea, Potamia and Thricops.  The key to genus includes keys to the British species of genera Muscina, Drymeia and Potamia.

Subfamily Azeliinae, key to genus.pdf
Genus Azelia, key to British species.pdf
Genus Hydrotaea, key to UK males.pdf
Genus Hydrotaea, key to UK females.pdf
Genus Thricops, key to British species.pdf

Subfamily Coenosiinae

Subfamily Coenosiinae, key to UK genera.pdf
Genus Coenosia key to UK species.pdf

Subfamily Muscinae

Genera Eudasyphora, Mesembrina, Morellia, Musca, Neomyia, Polietes, and Pyrellia in Tribe Muscini along with Haematobia, Haematobosca and Stomoxys in Tribe Stomoxyini.

Subfamily Muscinae, key to British genera and species.pdf

Subfamily Mydaeinae

Subfamily Mydaeinae key to British genera and species.pdf

Subfamily Phaoniinae

Genus Atherigona in Tribe Atherigonini, genera Helina, Lophosceles and Phaonia in Tribe Phaoniini.

Subfamily Phaoniinae, key to British genus.pdf
Genus Helina, key to British species.pdf
Genus Phaonia, key to British species.pdf