ROBBER FLIES OF THE WORLD 



659 



8(3 W 



Figures 811-819. — 811, Dioctria oelandica Linne. 

 812, Ecthodopa pubera Loew. 813, Dicolonus 

 simplex Loew. 814, Obelophorus landbecki Phi- 

 lippi. 81S, Phellus glaucus Walker. 816, Lep- 



tarthrus brevirostris Meigen. 817, Aplestobroma 

 avida Hull. 818, Prilchardia hirtipes Macquart. 

 819, Molobratia teutonus Linne. 



M 



