78 LIST OF DIPTERA. 



Mediastinal vein ending at beyond half the length of the wing. 

 Subcostal ending at a little before two-thirds of the length. Radial 

 ending at a little beyond two-thirds of the length First branch of 

 the cubital short, ending at a little before half the length between 

 the radial and the second branch, which ends at some distance in 

 front of the tip of the wing. Four more or less incomplete externo- 

 medial veins. Subanal vein united to the anal at a short distance 

 from the border. Discal veinlets forming two sides of the hexagonal 

 discal areolet, Median veinlet rather long. Humeral, subcostal, 

 mediastinal, radial, first cubital, second cubital, praebrachial, pobra- 

 chial, anal, axillary, subapical, and discal areolets complete. Four 

 externo-medial areolets, axillary lobe, and subaxillary lobe incom- 

 plete. Subapical areolet occupying the tip of the wing. 



1. RHAPHIOCERA AllMATA. 



Atra ; thoracis vittce angulique, scutellum, abdominisque macula 

 transversa viridia ; scutellum bispinosum ; tibiae fulvce ; tarsi 

 albidi ; alee costa et apice subcinerece. 



Sargus armatus, Wied. Auss. Zweifl. ii. 29, 5. 

 Rhaphiocera armata, Macq. Hist. Nat. Dipt, i. 253, 1 ; Dipt. Exot. 

 i. 1, pi. 24, f. 2 ; SuppL 1, 54. 



Brazil. 



2. Rhaphiocera Falleni. 



Nigra; caput, thoracis vittce duce dorsales, macula duce anticce 

 duceque posticce, scutellum, abdominisque maculce laterales 

 viridia ; pedes testacei, tibiis fuscis, tarsis albidis ; alee lim- 

 pidce. 



Sargus Falleni, Perty, Delect, Anim. Artie. 184, pi. 37, f. 1. 

 a. South America. From Mr. Saunders' collection. 



3. Rhaphiocera ornata. 



Fcem. Nigra; thorax fiavo varius ; abdomen ccerulescens ; alee 

 violaceo-fuscce. 



Rhaphiocera ornata, Macq. Dipt. Exot. SuppL i. 55, 2, pi. 6, f. 1. 

 New Grenada. Temperate Region. 



