20 H. C. EFFLATOUN. 



3 (6) Third joint of anten- 



nae not transverse; 

 abdominal markings 

 (when présent) trans- 

 verse. 



4 (5) Face iinxlcrately pin- 



(luce.l at tlK- upper Helophilis and 

 "•"'•^''-^^^'-^^ Parhelophilus. 



5 (4) I'"aœ vciy niuch pro- 



duced at the upper 



IllOIltil edi^e EURINOMYIA. * 



G i'i) 'l'iiird jdiiil (»f antennse 

 transverse; abdominal 

 markings longitudinal Lrops. 



35 (28) Radius 4 + 5 not looped, if somcwliat 



looped (Eiimenis) the turned up part 



of Médian 1 + 2 is doubly bout (MILE8IN.E). 



36 (37) Face liollowed bcneath tlie niitenna); 



outcr top angle of cell R5 aculc 18 SyniTTA. 



37 (36) Face not hoHowed beneath the antennœ, 



outer top angle of cell R5 a rigbt angle, 



or ol)tuse, (fig.l4, PI. I and fig.3. PI. Il) 19 Eumerus. 



38 (1) Antcnucie porrected. 



39 (40) Radius 4^5 normal, without a loop or 



veinlet which iiiay almost divid- ccU ((']j ]|VS()'JX)X1N F) 



I^^ i"*" two ^y C'HUYSOTOXUM. 



40 (39) Radius 4 i 5 with a loop or veinlet al- 



most dividing the cell beneath (cell R5) 

 into two 



., /ION V • . 1 1 (Ml("R()l)()NTL\\E). 



41 (42) Ar.sta dorsal ^, Mi.rodon. 



,. . c. , -, (CFRIOIDIN.E). 



42 (41) Style terminal ^22 Cerioides. 



*So far not represented in Egypt. 



