THE CANADIAN liNTOMOLOGIST. 363 



Type in author's coUeciion. 



Agrees most closely \\'\\\\ phatta I'hil , which has the thorax gray and 

 the wing-patteru very difT^'rent, three black s[yoU in cells isi R, and 2nd Ki 



Furcomyia insignifica, sp. n. 



Head brownish gray ; thorax reddish brown, d irker medially. 



9. —Length, 8.5 mm.; wing, 9.6 mm.; fore leg, femur, 59 mm.; 

 tibia, 7 3 mm. 



9 . — Head : rostrum, [lalpi and antennre d.irk brown. Front, vertex 

 and occiput brownish gray. 



Thorax: pronotum yellowish brown. Mesonotum, pmescutum reddish 

 brown, darkest brown medially on pncscutum ; paler, yellowish, on the 

 humeral angles ; pleurre brownish yellow, brightening to yellow on the 

 sternum. Halteres long, slender, brown, brighter at the base. Legs 

 long, slender ; coxas and trochanters yellowish ; femora yellowish brown ; 

 libiie and tarsi brown. Wings hyaline, veins light brown ; stigma barely 

 indicated, rectangular, very pale. Venation (see fig. i.) : Sc short, Sc.^ 

 quite removed from the tip of Sc, ; Rs short, not much longer than the 

 deflection of Ri,,,; basal deflection of Cu, far before the fork of M. 



Abdomen: tergum dark brown on the basal segments, lighter brown 

 on the apical segments ; sternum light brown. 



Holotype.— ? . Iquico, Peru. (Received from .Staudinger-Bang-Haas ) 



Type in author's collection. 



This species cannot be referred to pallida Macq , which has a 

 triangidar cell ist M., which bears a spur, this character of an appendi- 

 culate cell also separating elqiiiieiisis Blanch. The other species with 

 unspotted wings, flavida Phil, and chlorotica Phil., are quite different 

 insects, specimens of which are before me, and will be redescribed in a 

 later paper. 



Furcomyia argent in a, sp. n. 



Head gray ; thorax gray, darker on dorsomedian line. 



9.— Length, 8 mm.; wing, 89 mm.; fore leg, femur, 6 mm.; tibia, 

 7 mm.; hind leg, femur, 7.1 mm.; tibia, 7.7 mm. 



9 . — Head : rostrimi and palpi dark brown. Antenna- dark brown, 

 grayish pollinose ; segments submoniliform. Front, vertex and occiinit 

 gray. 



Thorax : pronotum brownish gray, the gray being pollen. Meso- 

 notum, praiscutum gray, with an indistinct, broad, l)rown, median stri|)e ;. 

 scutum, scu-ellum and postnotum pale, with a gray pollen. Pleu>x pale 



