Wiuif with four cells : 



le vein from cells to edge forked ; one fork branch 



curves to t'ront eilge - - - - 



both branches end in hind edge 



both branches end in front edge 

 i)Oth branches end at point 



not forked 

 veins from cell end before reaching edge 



oni\ lew veins in liind legs 



Tabanid.k. 2_(. 



LePTID.K. 27. 



- ScENOPINID.i:. 47. 



Dasvpogon in Asii.in.i: 31. =^S 



Wing with three closed cells : - 

 Wing with one or two closed cells : - 



Wing with one closed cell : 



Wing with few veios and no tlefmite cell 



Empidii).!;. 35. 



SrRATIOM-Slin.E. 3S. 



Antik)mvid,«. 54. 



Oestrid.-e. 60. 



UOLICIIOPODID.E. 4S. 



Loxciiop rERin,«. 47. 



HlPPOBOSClD^-E. Ol.FERSIA. 62. 



PnORID.E. 60. 



(7) 



