THE CANADIAN ENTOMOLOr.IST 20 



Genus Crypteria Bergroth. 



Crypteria americana, sp. n. 



Body coloration reddish, wings subhyaline, the radial cross- 

 vein present. 



Female .—length. 5 mm.; wing 6.4 mm. 



Rostrum brownish yellow; palpi browm. Antennae dark 

 brown throughout; fusion segment composed of the first five 

 flagellar segments; remaining nine flagellar segments elongate-oval. 

 Head clear, light gray. 



Thoracic dorsum reddish with a very sparse whitish bloom; 

 stripes indistinct; a small group of long, black bristles on each side 

 of the pronotal scutum, mcsonotal pricscutum with a row of similar 

 bristles on each side cf the broad median area; scutellum more 

 yellowish. Pleura yellowy with a sparse, blaish bloom on the 

 mesopleurites. Haltercs pale, the knobs a little darker. Legs 

 with the coxae and trochanters light yellow; femora light brown, a 

 little brighter basally, tibiae and metatarsi light brown; remainder 

 of tarsi dark brownish black. Wings grayish subhyaline; veins 

 dark brown. Venation: So. elongate, ending just beyond the 

 radial cross-vein; Sa removed from the tip of Sci to a distance 

 about equal to the basal deflection of Cm; Rs elongate, arcuated; 

 R2+3 moderate, a~ little longer than cell 1st M%\ cross-vein r 

 present; basal deflection of Ri+b short; cross-vein r-m long, 

 arcuated, cell 1st M2 elongate, pentagonal; cell M very deep, a 

 'Httle longer than its petiole; basal deflection of Cui just before the 

 middle oi'Uieyi 1st M2; second anal vein very elongate, subsinuate, 

 ending'abbu'f ofipdsite'thfe rtijddle of the long sector. 



Abdominal tergites Srown; ktefnites light yellow; valves of the 

 ovipositor elongate, strongly upcurved. 



Habitat. — Oregon. 



Holotype, 9 , Mt. Angel, Oregon (F. Epper). 



Type in the collection of the United States National Museum. 



This interesting crane-fly is the first described, New World 

 representative of the genus. It agrees closely with the genotype, 

 C. limnophiloides Bergroth of northern Europe, differing in the 

 more reddish body coloration and in certain venational features, 

 especially in the retention of the radial cross-vein. 



