THE CANADIAN ENTOMOLOGIST. 361 



NEW SPECIES OF FURCOMYIA (TIPULID^). 



BY CHAS. P. ALEXANDER, ITHACA, N. Y. 



(Continued from page 341.) 

 JFur corny ia libertoides, sp. n. 



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

 follows : The praescutal 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 })leural piece triangular, the ventral apical appendage fleshy, 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 appendage, rather short, gently 

 curved. Venation, fig. 1. 



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



Holotype. — $. Marin Co., Cal.; March 23,1897. 



Paratypes. — c^ s 5. With the type. 



The material is part of the Wheeler collection ; one paratype in 

 author's collection. 



Furcomyia si mi II im a, sp. n. 



Yellowish thorax, v/ith a dark brown median stripe; haltères very long. 



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



9 . — Length about, 58 mm.; wing, average, 7.4 mm. 



Head : rostrum and palpi dark brovvn. Antennae, first segment dark 

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

 Front, vertex and occiput brown, thickly gray pruinose, producing a gray 

 effect. 



Thorax : cervical sclerites dark, almost black ; pronotum light dull 

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

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

 median stripe continued from the pTonotum, 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 ; 

 median line of the scutum and the scutellum paler yellowish white ; 

 postnotum brown ; metanotum light yellow. Pleurae light yellow, be- 

 coming grayish toward the metapleuree. Haltères very long, extreme base 

 yellowish, rest dark brown. Legs : coxse and trochanters yellowish ; 

 femora yellow becoming somewhat darker apically ; tibiae and tarsi 



December, 1912 



