CLASSIFICATION OF DIl'TRRA 



Section II. SCHIZOTHORA 

 Frontal lunule and frontal suture marked. 



Sub-section A. MuscoiDEA 

 Produce ova as a rule. 



Sub-section B. Pltipara 

 Produce fully matured larvae. 



Sub-section A. MUSCOIDEA 

 Series a. Acalyptrata 

 Squamae small, not concealing the halteres. 



Series /'. Calyptrata 

 Squamae concealing the halteres. 



Section II, SCHIZOPHORA 

 Sub-section A. MUSCOIDEA. Series a. Acalyptrata 



