18 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 74 



apical pair, besides numerous erect spines. Abdomen : first segment 

 without median marginals; second with about 4 pairs of median 

 marginal spines and some shorter on the disk before them, also 5 

 pairs at sides; third segment with a marginal row across dorsal 

 surface and continuing below to ends of tergites on tlie venter, in 

 middle dorsally a few small subdiscal spines as in preceding ; fourth 

 segment above and below wholly spiny except anterior third across 

 dorsum. All the sternites bear groups of erect spines. 



Proboscis slightly elongate; second antennal joint nearly as long 

 as third, which is convex in front; penultimate joint of arista 

 elongate ; face protuberant over mouth, its lateral ridges with only a 

 few bristles above vibrissae. 



Type of genu^. — Reedia rohu^ta-^ new species. 



REEDIA ROBUSTA, new species 



A large, stout, blue-black species, abdomen wholly*shining. 



Female. — Front broad, 0.36 and 0.38 of the headwidth in the two 

 specimens, subshining bluish-black as far down as the frontal bristles 

 extend ; paraf acials with silvery white pollen and a few conspicuous 

 black hairs, and bearing two large bristles below (one specimen has 

 two on one side and only one on the other). The ruff of hairs on 

 back of head is deep yellow. Thorax almost destitute of pollen; 

 calypters white. Wings subhyaline; third vein with 8 or 10 hairs 

 at base; bend of fourth vein rectangular; first posterior cell ending 

 in costa far before apex of wing. 



Legs black, very bristly ; middle tibia with several stout bristles on 

 outer front side. 



Length, 15 to 16 mm. 



Described from two females collected by Alfredo Faz; one (type) 

 was taken at Concepcion, Chile, the other at Mendoza, Argentina. 



Edwards collected two additional females and Shannon one in 

 Concepcion, Chile; the former are in the British Museum. 



rype.— Female, Cat. No. 28896, U.S.N.M. 



The genus is named in honor of the late Prof. Edwyn C. Reed, who 

 published several valuable papers on Chilean Diptera, including a 

 catalogue in 1888. 



Genus ECHINOPYRRHOSIA Townsend 



Eohinopyrrhosia Townsend, Ins. Ins. Meust., vol. 2, 1914, p. 90. 



ECHINOPYRRHOSIA TROPHOCYON, new species 



Differs from the genotype {cdpina Townsend) in having no palpi 

 at all, and in having somewhat more numerous spines on the abdomen. 

 As in alpina^ the head is very long, the epistoma remarkably project- 

 ing. Front at vertex 0.31 of the head width, frontal bristles sparse, 



