CLASSIFICATION OF DIPTERA. 55 



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, Nyeteribidae. 

 Suborder Proboscidea Latreille. 



Section Orthorrhapha Brauer. 



Subsection Nemocera Latreille. 



Superfamily Tipuloidea Coquillett. 



Families Tipulidae, Dixidae, Culicidae, Psychodidae, 

 Stenoxenidae, Chironomidae, Cecidomyidae, 

 Mycetophilidae. 

 Superfamily Bibionoidea Coquillett. 



Families Bibionidae, Simulidae, Orphnephil- 

 idae, Belpharoceridae, Rhj'phidae. 

 Subsection Brachycera Macquart. 



Superfamily Tabanoidea Coquillett. 



Families Leptidae, 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. 



