THE CANADIAN ENTOMOLOGIST. 3C1 



NEW Sl'KCIKS OF FURCOMYIA ( TirULID.-E). 



BY CHAS I'. AI.KKANDKR, ITHACA, N. V. 

 (Comim.ccI from page 341.) 

 Fiircomyia libertoides, sj). n. 



Closest allied to Uberta O. S. of the Eastern U. S., but differs as 

 follows : The pr.-escutal stripes are not clearly defined, the middle of the 

 dorsum being suffused with bright brown; tergum of abdomen brownish, 

 not clear gray; wings with the stigma conspicuous, rectangular, not a 

 narrow seam to cross-vein r. Hypopygium from above — see fig. 5.). 

 The pleural piece triangular, the ventral apical appendage fieshy, its inner 

 margin produced into a point' which is directed cephalad ; two short 

 spines about equal in size, projecting caudad on the middle of 

 this appendage ; dorsal arm, or apical append.ige, rather short, gently 

 curved. Venation, fig. 1. 



Length about 6.5-7.5 mm.; wing, 8 7-8. S mm. 

 Holotype.— ^. Marin Co., Cal.; March 23, 1S97. 

 Paratypes. — i s 5. With the type. 



The material is part of the Wheeler collection ; one p.iratype m 

 author's collection. 

 Fiircomyia simillimii, sp. n. 



Yellowish thorax, with a dark brown median stripe; lulteres very long. 

 $. — Length about 5.5 mm.; wing, average, 6.8 mm. 

 9 . — Length about 5 8 mm.; wing, average, 7.4 mm. 

 Head : rostrum and palpi dark brown. Antenna;, first segment dark 

 brown, thickly gray pruinose, remaining segments dark brownish lilick. 

 Front, verte.x and occiput brown, thickly gray pruinose, producing a gray 

 effect. 



Thora.t : cervical sclerites dark, almost black; pronotuni light dull 

 yellow, dark brown along the dorsal median line. Mesonotuni bright 

 brownish yellow, becoming grayish on the sides ; a broad dark brown 

 median strips continued from the pronotum, ending just before the suture ; 

 lateral stripes indistinct, grayish brown, beginning behind the pseudo- 

 suture, continued across the suture and suffusing the lobes of the scutum ; 

 niedi.in line of the scutum and tlie scutellum paler yellowish white,; 

 postnotum brown ; metanotum light yellow. Pleur:e light yello\y, be- 

 coming grayish toward the metapleurie. . Halteres very long, extreme base 

 yellowish, reU dark brown. Legs : coxae and trochanters yellowish ; 

 :-inora yellow becoming somewhat darker apically ; tibix and' tar^i 



December, \')V1 



