THE CANADIAN ENTOMOLOGIST. 243 



slightly overhanging; postocular bristles alone prominent, equal in 

 length to eyes expanded at apex. Eyes }4 ^^s long as head, equal 

 in width to their interval. Ocelli of posterior pair opposite middle 

 of eyes and equal in size to anterior ocellus, which is slightly more 

 distant. Antenn^ie about 1.6 times as long as head, moderately 

 slender; segment 1 as broad as long; 2 about 1.7 times as long as 

 wide, inner side straight, pedicel not curved outward; 4 very 

 slighth' longer and narrower than 3, clavate, pedicellate, narrowed 

 at apex, broadest in advance of middle, about 1.8 times as long as 

 wide; 5 almost similar in form to, but distinctly narrower and 

 slighth' shorter than, 4; about 2.1 times as long as wide; 6 clavate, 

 more briefly pedicellate than 4 and 5, nearly 2.4 times as long as 

 wide; 7 oblong, briefly pedicellate, truncate at apex and nearly 

 2.5 times as long as wide; 8 about three-fourths as long as 7, conical, 

 more than three times as long as greatest width; segments 1 and 2 

 concolorous with head, 2 paler at middle of apex; 3 yellow, lightly 

 infuscate in apical half; 4 yellow in basal two-fifths, brown be^^ond, 

 slightly paler at apex; 5 yellow in basal third-, brown beyond, 

 slightly paler at apex; 6 yellow in basal fourth, beyond blackish 

 brown, darker than 5; 7 and 8 blackish brown, pedicel of former 

 paler; sense cones: 3, 1-2; 4, 2-2; 5, 1-1+^ 6, 1-1+^; 7 with one on 

 dorsum near apex. Mouth cone short, broadly rounded, reaching 

 only about half way acros*s prosternum, labrum scarcely surpassing 

 labium. 



Prothorax about two-thirds as long as head and (inclusive of 

 coxcc) about twice as wide as long; profiotimi smooth; all usual 

 bristles present, expanded apically, a little shorter than the postocu- 

 lars. Wings slightly narrowed at middle; fore pair with scale 

 brown, light yellowish beyond, six accessory hairs on posterior 

 margin. Legs moderately slender; fore tarsus with a strong, 

 slightly curved tooth. 



Abdomen very slightly broader than pterothorax. Tube 0.6 

 as long as head, only about twice as long as greatest subbasal 

 width, which is about 2.1 times the apical, sides straight. Lateral 

 bristles expanded at apex, almost colourless; segment 9- with the 



