NoKTii Amickkan Dii'tera. ;>;^ 



Hi riUDiicura ()1)scuim of Knn)])t', wlu'iv tlu-y iirc ])arasitic it])(>ii 

 beetles. 



Winjr of R h y nclio ceplia lu6 volaticus Will. — a, second submar- 

 ginal, b, c, d, e, f, first— fltth posterior cells. 



Proboscis short, protru(liii<>- but little from the oral opening. Eyes 

 bare (often pilose in exotic s])ecies). Two or three subniar- 

 ginal cells Hirmonkira 



Proboscis long, directed backwards. Antenna- broadly se])arated. 

 Eyes bare. Ovipositor of tiie female composed of two slender 

 iliverging lamella?. Three submarginal cells. 



RhYXCIKX EPIIALIS 



HiRMONEURA Meigen, Syst. Beschr. II, 182, 1820. 

 Rhynchockphai.us Fischer, Mem de la Soc. imp. d. natur. de Mos- 

 cou. I, 217, 1806. 



MIDASID^:. 



Rather larger to very large, thinl3' clothe<l or bare, elongate flies. 

 Neuration complicated ; the basal cells long; the fourth longitudi- 

 nal vein always terminating at or before the tip of the wing. An- 

 tenna; elongate, the third joint flattened, ami composed of several 

 distinct segments. Ocelli wanting. Proboscis with fleshy labella. 

 Empodia very little developed, not pulvilliform. 



Larva; found in decaying wood, etc., ]>robal)ly carnivorous. 



1. Terminal segment of the female abdomen witli a circlet of 



spines. 2 



Terminal segment without circlet of spines. . Midas 



2. A small cross-vein runs into the hind margid of the wing between 



the anal cell and the tip; hind tibia^ of female with spurs. 



Pk:TYPnu8 

 No such small cross-vein ; hinrl tibia' ( 9 ) without spurs. 



Lkptomidas 



