58 



U. S. NATIONAL MUSEUM BULLETIN 216 



several stations iD the Maritime Provinces of Eastern Canada it has 

 been associated with wild legumes growing on sandy beaches. 



9. Scambus (Scanibus) canadensis Walley, new species 



Figures 310,m; 312,a; 320,k 



Male: Front wing 3.5 to 5.0 mm. long; antenna with 20 to 22 

 segments; cheek short, about 0.24 breadth of base of mandible; 

 temple, as seen from above, moderately rounded and about 0.6 times 

 as long as eye; propodeum moderately long, with dorsomedial carinao 

 strong and extending from base to apical 0.25, sides with irregular 

 sculpture and dorsal area near middle more or less transversely 

 rugulose; front femur with a very broad, rather shallow, polished 

 excision beneath; front tibia rather stout and distinctly bent; abdomen 

 rather stout; tergite 1 almost as broad as long with median carinae 

 strong and extending to apex, sides and central area beyond middle 

 rugulose; tergites 2-7 densely (in part confluently) punctate except 

 on apices, with punctures progressively weaker on successive tergites. 



Black. Pedicel and first segment of flagellum more or less pale 

 beneath; palpi and tegula whitish to pale yellowish; stigma brownish 

 black, with a small pale spot at base and apex; legs largely reddish; 

 front coxa usually fuscous at base, or occasionally blackish except 

 at apex; trochanters mostly pale yellowish; hind tibia rather indis- 

 tinctly banded, narrowly yellowish at base and broadly pale yellowish 

 brown to reddish yellow at middle, indistinctly narrowly annulate 

 with fuscous subbasally, and broadly brownish to reddish brown at 

 apex above; hind tarsus brownish, with base of first segment broadly, 

 and the following segments narrowly, pale yellowish. 



Female: Front wing 4.0 to 7.5 mm. long; antenna with 21 to 23 

 segments; ocelli of moderate size, lateral ocellus with diameter 0.7 

 times distance from ocellus to eye; cheek about 0.33 breadth of 



Figueb 19. — Localities for 

 Scambus (Scambus) 

 canadensis. 



