THE CANADIAN ENTOMOLOGIST. .M( 



spurred, in a line with Rj., ; a strong cross- vein in cell R., at about two- 

 thirds of the length of the cell ; cell ist Mj rather elongate ; Ixisal deflec- 

 tion of Cu, at the fork of M. 



Abdomen : tergum pale yellowish white, apical fourth d uk brown ; 

 ajiex sternum similar, but the dark apex not so clearly defined. 



Holotype. — ^. IJoc.is dToro, Panama; Sept. 2S, 1903. (1*. 

 Osterhout, coll.) 



Type in U. S. Nat. Mus. coll. (N'o. 15,129 ) 



Furcomyia gloriosa sp. n. 



.•\)itennas brown ; thorax gray, dorsum striped with darker ; legs, 

 femora dark on apical half, with a subterniinal yellow ring ; wing sjiotted 

 and suffused with brown. 



$ . — Length about 6.5 mm.; wing, 8.4 mm. 



$ . — Head : rostrum and ]5alpi dark brown. Antenna, basal seg- 

 ments very dark brown ; basal five flagellar segments lighter brown, apical 

 segments dark brown. Front, vertex and occiput dull gray, with a black 

 mark on vertex along inner margin of the eye. 



Thorax : pronotum dull greenish gray pollinose, with a broad black 

 stripe on the side of the scutum. Mesonotum, prsescutum dark brown, 

 thickly grayish pollinose, with a black stripe on either side of the narrow 

 median gray line, running from the anterior margin of the sclerite almost to 

 the suture. Lateral stripes short, broad, beginning behind the pseudo- 

 sutural fovea, running across the suture and covering most of the scutum : 

 scutum in middle and along the caudal margin dark brown ; scutellum 

 and postnotum dark brown. I'leune black, greenish gray pollinose. 

 Halteres, stem pale yellowish brown, knob dark brown. Legs, coxaj and 

 trochanters dark brown, the former gray pollinose ; femora light yellow, 

 the apical quarter dark brown, with a subapical yellow ring. Wings 

 hyaline or nearly so ; costal cell with four brown marks, the last at Sc, 

 the 3rd over the origin of Rs ; a large square m:irk at the tip of Ri (stigmal) 

 extending down over the fork of Rs ; cells 2nd R, and R, with large 

 brown spots filling most of the cells ; cells R5 to Cu, suffused with lighter 

 grayish brown and with hyaline spots ; basal and anal celh with smaller 

 brown spots ; a series of ab^ut four in cell ist A. Ends of veins Cu... 

 ist and 2nd A, with broad, grayish brown suffusions. Veins brown; .Sc 

 and R yellow, except where located in the brown markings, where they 

 are black. Venation : (.See fig. j ) Sc long, ending far beyond the 

 origin of Rs, but slightly before its middle ; Rs long ; basal deflection of 

 Cu, far before the fork of M. 



