LIST OF DIPTERA. 77 



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

 Subcostal ending at a little beyond half the length. Radial ending 

 near the subcostal. First branch of the cubital short, ending at 

 rather beyond half the length between the radial and the second 

 branch, which ends at much in front of the tip of the wing. Four 

 nearly complete externo-medial veins. Subanal vein united to the 

 anal far from the border. Discal veinlets forming two sides of the 

 hexagonal discal areolet. Median veinlet short, distinct. Humeral, 

 subcostal, mediastinal, radial, first cubital, second cubital, praebra- 

 chial, pobrachial, anal, axillary, subapical, and discal areolets com- 

 plete. Four nearly complete externo-medial areolets. Axillary lobe 

 and subaxillary lobe incomplete. Subapical areolet occupying the 

 tip of the wing. 



1. DlCRANOPHORA FURCIFERA. 



Niger, fiavo pictus ; antenna flavce ; scutellum appendice longis- 

 sirno apice furcato ; pedes fiavi, tibiis tarsisque anticis fuscis, 

 tarsis posticis albis ; alee subflavescentes. 



Sargus furcifer, Wied. Analecta Ent. 31, 40, f. 10 ; Auss. Zweifl. 



ii. 38, 20, pi. 7, f. 5. 

 Dicranophora furcifera, Macq. Hist. Nat. Dipt. i. 255, 1 ; Dipt. 



Exot. i. 1, 195, 1. Guer. Icon. Regne Anim. Ins. pi. 98, f. 12, 



Texte, 545. 



Brazil. 



2. DlCBANOPHORA PICTA. 



Niger ; fades et frons fulvce, hcec macula nigra ; thorax humeris 

 lineisque duabus dorsalibus scutellique dimidio postico flavis ; 

 abdominis segmentum lum fiavo marginatum; Sum, Awn et 

 bum lateribus flams. 



Dicranophora picta, Macq. Hist. Nat. Dipt. i. 255, 2 ; Dipt. Exot. 

 i. 1, 196, 2, pi. 24, f. 1. 



Brazil. 



Genus 22. RHAPHIOCERA. 



Antennae 9-articulatae ; flagellum subulatum ; arista setiformis? 

 longissima. Scutellum bispinosum. Abdomen elongatum. 

 Sargus, p., Wied. 

 Rhaphiocera, Macq. Hist. Nat. Dipt. i. 253. 



H3 



