230 THE CANADIAN ENTOMOLOGIST 



around each cornicle of a paler green. Body with only a" few 

 sparsely-placed hairs. 



Eyes dark red. Antennae a little more than half the body 

 length; relative lengths of segments as in other forms: land II 

 pale dusky, III, IV, V and base of VI pale with blackish tips, and 

 all of VI filament black; segment 111 bearing 23 to 30 irregularly- 

 placed circular sensoria, IV with 8 to 13, V with 5 to 9, not in- 

 cluding the usual distal one, and VI base with 2 to 4, usually in a 

 row, exclusive of the usual distal ones; sparsely hairy (PI. XV111, 

 fig. 55). Fore pair of legs pale, with the tip of tarsus blackish; 

 middle pair similiarly coloured, but with the femur dusky towards 

 the tip; hind pair with femur blackish except at base, tibia black" 

 ish except towards tip, and apex of tarsus black. Wings as in the 

 winged viviparous female (PI. XVIII, fig. 58). Cornicles as 

 described for the other forms. Cauda pale green, covered with a 

 rather heavy pulverulence, hairy, and similar in shape to those of 

 the other forms. Anal plate rounded (not bilobed as in the 

 viviparous forms) and hairy. 



Measurements from six individuals mounted in balsam, as 

 follows: Length of body 1.32 to 1.82, average 1.51 mm.; width 

 0.46 to 0.58, average 0.54; length of wing, average 2.28 mm.; 

 width, average 0.82 mm.; antenna 1, 0.061; II, 0.054; III, 0.296 

 to 0.322, average 315; IV, 0.174 to 0.217, average 0.197; V, 

 0.200 to 0.235, average 0.217; VI, base, 0.122 to 0.148, average 

 0.138; VI, filament 0.087 to 0.104, average 0.092; total average 

 length 1.074. 



Wingless oviparous female: 



Body mottled with green and black, but to the naked eye it 

 appears to be largely blackish. Head and first two thoracic seg- 

 ments of a light reddish to pinkish tint; remainder of body black- 

 ish, with a more or less distinct median dorsal line of pale yellowish 

 green or whitish green, sometimes even with a faint pinkish tint. 

 Laterad of the median paler area are dots of the same colour 

 intermixed with the black; also a pale area around the cornicles. 

 Body moderately sparsely clothed with medium-length hairs as in 

 the wingless viviparous female. 



Eyes maroon red. Antenme approximately one-half the 

 length of the body; relative lengths of segments as in the other 



