182 

 Division NEMATOCERA 



TABULAR ARRANGEMENT OF FAMILIES 



My present grouping of the Nematocera is as follows. 



Trib 



es* 



Polyneura 



Super families 



Tipuloidea 



Families 



Tipulidae 

 Limnobiidae 

 j Ptychopteridae 

 Rhyphidae 



Eucephala 



Mycetophiloidea 



Culicoidea 



Chironomoidea 



Bolitophilidae 

 Mycetophilidae 

 Sciaridae 

 Macroceridae 

 . Platyuridae 



Psychodidae 

 Blepharoceridae 

 Culicidae 

 Dixidae 



Ceratopogonidae 



Chironomidae 



Orphnephilidae 



Oligoneura 



Cecidomyioidea 



[ Bibionoidea 



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. 



