I. STRATIOMYIDi 



63 



anal cell extended almost to the wingmargin. O^stal vein 



continued faintlv as an ambient vein beyond the tip of the 



first veinlet from the discal cell Posterior tibise spnrred. 



Scutelliim unarmed. XrLOiiTDi-E (p. 217). 



Moderately small or moderately large species, which, closely 

 resemble the Xi/fcfJiugina?, but which are distingttbhed from all the 

 other SffifioiniriJir by the pnefurea oommeiiciiig far before the base 

 of the disocd eelL. and from all the PaLearctic EkemocH-Eta bv the 

 closed fourth posterior celL 



Fia. SS.— Btfrv Xon-iiii ^. x 7J 



Kti.?, Sl>. — Xjil'f'itgid tnixrifinatir. J. x S. 



