xii CLASSIFICATION OF DIPTERA 



i. THE ORTHORRHAPHA. Section I. NEMATOCERA 



contain the following families : 



*i. J Pulicidae (Fleas). 



*2. Cecidomyidae (Gall Midges). 



f*3. Mycetophilidae (Fungus Gnats). 



f*4. Bibionidae (Fever Flies, St Mark's Flies). 



t*5- Simuliidae (Sand Flies). 



*6. Chironomidae (Midges). 



7. Orphnephilidae. 



f8. Psychodidae (Owl Midges). 



f*9. Culicidae (Mosquitoes), 



fio. Dixidae. 



*n. Ptychopteridae (False Daddy Long Legs). 



*I2. Limnobiidae (False Daddy Long Legs). 



t*i3. Tipulidae (True Daddy Long Legs). 



*I4. Rhyphidae (Window Flies). 



Section II. BRACHYCERA 



t*i5' Stratiomyidae (Chameleon Flies). 



f*i6. Tabanidae (Gad Flies). 



*!?. Leptidae (Leptis Flies). 



f*i8. Asilidae (Robber Flies). 



1*19. Bombylidae. 



*2O. Therevidae. 



y2i. Scenopinidae. 



+22. Cyrtidae. 



|*23. Empidae (Empis Flies). 



f*24. Dolichopodidae. 



[25. Lonchopteridae. 



2. THE CYCLORRHAPHA. Section I. ASCHIZA 



Frontal lunule more or less indefinite ; no frontal suture. 

 *26. Platypezidae. 

 f2/. Pipunculidae. 

 t*28. Syrphidae (Hover Flies). 



1 These are by some raised to the rank of an order called Aphaniptera or 

 Siphonaptera.) but there is no reason whatever for separating the Fleas or Pulicidae 

 from the Diptera. 



