THE CANADIAN ENTOMOLOGIST. 



49 



reaching to slightly beyond coxae of third pair of legs. Prothorax 

 concolorous with head; the mesothorax and metathorax brownish, 

 the latter sometimes greenish, especially toward the posterior 

 margin. Legs with femur pale yellowish brown, the tip blackish, 

 tibia pale brown with black tip, and tarsus black; the hind tibiae 

 very long. Abdomen pale greenish, with a few pinkish dots which 

 indicate the eyes of the embryos within; dusky patches around 

 bases of cornicles ; sides of abdomen usually more or less brownish 

 to blackish, although this coloration is sometimes almost wholly 

 wanting; dorsum of the last three abdominal segments usually 

 more or less dusky. Older females have a slight pinkish tint inter- 

 mixed with the green colour of the abdomen. Cornicles black, 

 cylindrical, the distal fifth strongly reticulated, and very long, 

 reaching the length of the cauda beyond the tip. Cauda pale to 

 whitish green, moderately covered with long hairs, ensiform, and 

 scarcely more than one-third the length of the cornicles. 



Measurements from specimens preserved' on slides in balsam: 

 Length of body to tip of abdomen 1.74-2.21 mm., average 1.95' 

 mm.; width of body 0.81-1.08 mm., average 0.97 mm.; length of 

 middle tibia 1.80 mm. ; length of hind tibia 2.4 mm. ; length of tarsus* 

 0.097 mm.; length of cornicle 0.83 — 1.00 mm., average 0.90 mm.: 

 length of cauda 0.30 mm. Antennal measurements as follows: 



ANTENNAL SEGMENT NO. lm. 



