178 



NORTH AMERICAN DIPTERA 



Asilidie VII —104, Proctacanthella cacopilogus ; 105, Mallophorina laphroides ; 106, 

 Neeasilus belli: 107, Protichisma albibarbis ; lOS, Atractia dispar; 109. Triciis tagax; 110, 

 Atonia (n sp. BraziH ; 111, Eccritosia barbata : 112, Metapogon ; 113. Hehgmoneura; 114, 

 Philonicus albiceps; 115, Proctacanthella cacopilogus; 116, Asilus sericeus; 117, Proctacanthella 

 cacopilogus: lis. Ospriocerus abdoininalis ; 119, Heligmoneura rubicunda; 120, 

 fuscus: 121, Doryclus distendens. 



Philonicus 



