﻿4 A)niaJ>t of tin- South Africrni Mitseitm. 



22 (5). Tibiae bare or only pilose, destitute of spicules disposed in rows; but 



if the spici^les ai"e sometimes distinct, then the palpi are 2-jointed ; 

 body not bristly. 



23 (32). Cvibital fork very broad ; if it is rather narrow, then the body is 



short and broad (Uriinae)- 



24 (29). Body very pilose; sqxxamulae with a long fringe; jjliimula usvially 



distinct ; face j^rovided with a more or less distinct circular brush. 

 Px'oboscis long ; third antennal joint dilated at end ; facial briish 

 well developed. 



First antennal joint more or less elongate, but always of a cylindrical 

 shape ; antennae placed near the upper border of the facial brush 



Corsomyni, AVied. 

 First antennal joint short and swollen ; antennae placed near the 

 middle of the facial brush . . Callynllirophora, Schin. 



Proboscis shorter than the moixth-opening ; third antennal joint 

 linear ; facial In-ush less distinct ; antennae placed near the upper 

 border of the facial convexity . . . Gnumyia, gen. nov. 



Body almost bare ; squamulae with a short fringe or nearly l>are ; 

 face destitute of circular brush. 

 Antennae inserted near the mouth, Avith a thick third joint. 



Hyperusia, Bezzi. 

 Antennae set far from the mouth, with a slender third joint; palpi 

 long and thin ..... Megaimlpus, Macq. 



Cubital fork narrow ; if it is I'ather liroad, then the body is narrow 



and elongate {Phthiriinae). 



Ambient vein complete. 



Four posterior cells i^reseut ; palpi 2-jointed. 



Cubital fork broad ; anal cell open : tibiae with three rows of distinct 



spicules ...... Gonarthrus, Bezzi. 



Cubital fork narrow ; anal cell closed ; tibiae without or with less 

 distinct spicules. 



Face hairy ; third antennal joint longer than the first ; eyes of the 

 male united ..... Crocidium, Loew. 



Face bare ; third antennal joint shorter than the first ; eyes of the 

 male separate ..... Apatomyra, Wied. 



39 (34) Three posterior cells only ; jialpi single-jointed ; first antennal joint 



longer than the third .... Pseudoxmichis, Big. 



40 (33). Ambient vein incomplete, ending at apex of the anal vein. 



41 (42). Four posterior cells present ; discoidal cell complete ; face bare ; third 



antennal joint with a lateral stype apically ; palpi single-jointed. 



Philiiria, Meig. 



42 (41). Three posterior cells only. 



43 (44). Discoidal cell closed; third antennal joint acute at end, with a ter- 



minal style ; palpi single-jointed . . . . (reroïî, Meig. 



44 (43). Discoidal cell open ; third antennal joint ol^tixse at end, with a latei-al 



style ; palpi 2-jointed .... Apolysis, Loew. 



45 (4). Metasternum exceedingly developed ; hind legs very strong and long ; 



eyes coalescing in both sexes or nearly so ; body bare and narrow ; 

 wings and abdomen pedunculate {Systropinae) . Systropus, Wied. 



