CLASSIFICATION OF DIPTERA. 



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ly developed; usually five posterior cells. Legs rather smooth. 



Stratiomyidae, Tabanidae, Acanthomeridae, Leptidae. 

 Superfamily Tromoptera. Chiefly hovering flies. Nemistrinidae, 



Bombyliidae, Cyrtidae, Therevidae, Scenopinidae. 

 Superfamily Energopoda. Pedestrian flies. Asilidae, Dolichopod- 



idae, Lonchopteridae, probably Phoridae. 

 Superfamily Mydaidae. Mydaidae. 

 Suborder Cyclorrhapha Athericera. All other flies. 



COQUILLETT'S CLASSIFICATION 1901. 



Recently Mr. D. W. Coquillett has proposed another 

 system, differing from any preceding one, and for the 

 most part with new names, as follows: 



Suborder Eproboscidea Latreille. 



Families Hippoboscidae, Nycteribidae. 

 Suborder Proboscidea Latreille. 



Section Orthorrhapha Brauer. 



Subsection Nemocera Latreille. 



Superfamily Tipuloidea Coquillett. 



Families Tipulidas, Dixidae, Culicidae, Psychodidae, 

 Stenoxenidas, Chironomidae, Cecidomyidae, 



Mvcetophilidae. 

 Superfamily Bibionoidea Coquillett. 



Families Bibionidas, Simulidae, Orphnephil- 



idaa, Belpharoceridae, Rhyphidas. 

 Subsection Brachycera Macquart. 



Superfamily Tabanoidea Coquillett. ' 



Families Leptidas, Stratiomyidae, Acanthomeridae 



Tabanidae, Acroceridae, Nemistrinidae. 

 Superfamily Bombyloidea Coquillett. 



Families Apioceridae, Mydaidae, Bombylidae. 

 Superfamily Asiloidea Coquillett. 



Families Scenopinidae, Therevidae, Asilidae, Empidae 



Dolichopodidae. 

 Superfamily Phoroidea Coquillett. 



Families Lonchopteridae, Phoridae. 

 Section Cyclorrhapha Brauer. 



Superfamily Syrphoidea Coquillett, 



Families Platypezidae, Pipunculidae, Syrphidae, 

 Conopidae. 



