THE CANADIAN ENTOMOLOGIST. 213 



to the tip, which is bluntly pointed but not clavate ; black, very faintly 

 annulated with pale on a few basal segments ; maxillary palpi short, 

 brown, or blackish brown, base of cylindrical joints pale, last joint very 

 little incurved, cut at tip, as long as 3rd and 4th together, 3rd a little 

 longer than 4th, thicker on tip. 



Labial palpi a little longer, basal joint pale ; second longer, enlarged 

 to tip, a little incurved ; last joint longer, thicker to middle, above de- 

 pressed, cylindrical, tip blunt ; both joints blackish, pale on articulation. 



Prothorax short, before the middle a transversal flat furrow, front 

 margin slightly rounded ; black with three yellow dots anteriorly and a 

 posterior stripe on each side ; with some white hairs, intermixed with 

 black ones ; mesothorax dull brownish gray, with a few scattered white 

 hairs, two yellow dots anteriorly and four in a transversal series in the 

 middle ; the conical suture ending in the posterior margin pale yellow 

 with a middle dagger-shaped black line, and on each side a shorter black 

 line ; in front of it two globular black shining elevations, which are ap- 

 proximate and like two ocelli ; metathorax similar with some yellow spots. 



Abdomen (male) longer than the wings, very slender, about cylindri- 

 cal, blackish hirsute ; brown, shining, darker below and at the apex ; sag. 

 ments 2 to 4 with two pale dorsal longitudinal lines, which are sometimes 

 partly confluent; the two following segments with two pale spots in mid-' 

 die j appendages brown, clothed densely with black hairs, straight, the 

 base triangularly dilated to reach the dorsum of the segment ; shorter than 

 the last segment. Abdomen (female) much shorter than the wings, less 

 slender, apical half thicker ; color similar, but the long pale dorsal lines 

 represented only by two middle and two apical spots ; genital parts in the 

 last segment with many strong black spines ; upper part divided in two 

 pale tubercles ; below with two short brown appendages. 



Legs short, pale, with white hairs, intermixed with a few black ones, 

 principally at tip, densely sprinkled with black, the femurs sometimes 

 nearly blackish ; tip of tibia black ; tarsi with apex of the two basal 

 joints, the two following entirely, and tip of fifth, black ; claws long, in- 

 curved, brown ; spurs wanting. 



Wings short, broadest before the bluntly-pointed apex ; hyaline with 

 white shades, a little fumose, the anteriors closely sprinkled with fuscous ; 

 venation dense, veins fuscous interrupted with white ; around the trans- 

 versals after the mediana and after the 4th vein, brown shades, sometimes 

 forming brown streaks on the disk and near the hind margin ; two series 



