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Division NEMATOCERA 



TABULAR ARRANGEMENT OF FAMILIES 



My present grouping of the Nematocera is as follows. 



Tribes'^ 



Polyneura 



Supcrfcunilies 

 Tipuloidea 



Families 



Tipulidae 

 Limnobiidae 

 Ptychopteridae 

 Rhyphidae 



Eucephala 



Oligoneura 



Mycetophiloidea 



Culicoidea 



Chironomoidea 



Cecidomyioidea 



Bibionoidea 



Bolitophilidae 



Mycetophilidae 



Sciaridae 



Macroceridae 



Platytiridae 



Psychodidae 

 ^ Blepharoceridae 

 Culicidae 

 Dixidae 



Ceratopogonidae 



Chironomidae 



Orphnephilidae 



Cecidomyiidae 



Bibionidae 



Scatopsidae 



Simuliidae 



The sequence of the families in the keys is not in accordance with 

 the above list, the keys being framed to facilitate identification and 

 not to indicate affinities. 



*Tribe in this paper does not have the application given to it in contemporary 

 papers, but has that which Brauer gave it. He used it to designate his subdivisions 

 of the larger divisions of Nematocera, etc. 



