334 THE CANADIAN ENTOMOLOGIST. 



Legs with the femora dark brown at the tip with an indistinct sub- 

 apical ring ; a cross-vein in cell R3 ; seam on cord pale brown, 



broad ; antennae pale translucidu, sp. n . 



(Panama) 



5. Wings with an abundant pattern in the cells g/oriosa, sp. n. 



(Guatemala) 

 \\'ings with the markings scanty and more or less confined to the 

 neighbourhood of veins 6. 



6. Wing hyaline, with the markings brown ; pleurse with a brown band ; 



tibise and tarsi uniform dark eiseni, sp. n. 



(Guatemala) 

 Wing dusky, with the markings dark brown; no pleural band; tibiae 



at tip, and tarsi, orange brown Itttzi, sp. n. 



(Brit. Guiana) 

 Furcomyia reticulata, sp. n. 



Antennse brown ; thorax yellow, with an irregular brown median 

 stripe ; legs yellow, darkening to brown apically ; wings hyaline, reticulated 

 with brown marks. 



?. — Length, 4.5-6 mm ; wing, 5.3-5.4 mm. 



9 . — Head : rostrum yellowish brown ; palpi dark brownish black. 

 Antennae, basal segments pale, whitish ; fligellum light brown, the seg- 

 ments rounded, becoming oval and then elongated toward the lip of the 

 antennae. Front, vertex and occiput dull yellow, the vertex and occiput 

 prolonged caudad, with two brown stripes above and brown on the sides. 



Thorax : pronotum brown, thickly yellow pollinose ; a small brown 

 median spot at the caudal margin of tlie scutum. Mesonotum, pra;3cutun\ 

 dull yellow sericeous , a broad, light brown median stripe, overlain by a 

 dark brown stripe, whose margins are very irregular; two interrupted 

 brown stripes on either side of the median mark, the outermost very i)ale 

 on the margin of the sclerite ; scutum dull brown, with four brown stripes, 

 c )ntinuations of the lateral prKscutal vitlie ; the two stripes on each side 

 unite at the caudal margin of the sclerite and run half across tlie scutellum ; 

 scutellum very pale, whitish yellow, sending a median prolongation 

 cephalad onto the scutum ; postnotum brown. Pleurae light brown, 

 thickly pale yellowish pollinose. Halteres very pale yellow, the knob 

 brown. Legs: coxk, trochanters and femora dull yellow, the femora 

 darkening to brown apically ; extreme base of the tibite whitish, rest of 

 tibiae and the tarsi dark brown. Wings, veins brown, except costa, which 

 is light yellow and black alternated ; membrane hyaline, costal cell with 



