so 



THE CANADIAN ENTOMOLOGIST. 



Measurements from specimens mounted in balsam on slides: 

 Length of body 2.13 — 2.63 mm., average 2.38 mm.; width of 

 body, average, 0.98 mm.; length of forewing, average, 4.10 mm.; 

 width of forewing, average, 1.47 mm.; length of middle tibia, 

 average, 2.05 mm.; length of hind tibia, average, 2.87 mm.; length 

 of hind tarsus, average, 0.117 mm.; length of cornicles, average, 

 0.93 mm.; length of cauda, average, 0,45 mm. Antenna! measure- 

 ments as follows: 



ANTENNAL SEGMENT NO. lm. 



Winged male. (PI. IV, fig. 18.) 



Entire body brownish pink to light red. Antenna' black, 

 excepting segments I and II, which are a dusky reddish brown to 

 blackish; very sparsely setose; placed on prominent frontal tuber- 

 cles; total length greater than that of body; filament of segment VI 

 longest; segment III with 53 to 67 circular, somewhat tuberculate 

 sensoria, irregularly placed; segment IV bare of sensoria; segment 

 V with 17 to 26 sensoria, not including the usual distal sensorium, 

 somewhat regularly placed, and the usual distal ones on segment 

 VI. Eyes blackish; ocelli prominent. Legs black, excepting 

 basal half or third of femur. Wings as in winged viviparous 

 female. Cornicles black, reaching a little beyond tip of cauda, 

 cylindrical, and slightly larger at base than at apex; distal end 



