158 THE CANADIAN ENTOMOLOGIST. 



Nectaries long, slender and slightly curved in at middle. Cauda of mediunn 

 length, bluntly pointed. 



Measurements: Length of body, 2.48 mm.; width, .95 mm. Total 

 wing expanse, 8 mm.; length of wing, 3.8 mm. Length of antennal seg- 

 ments, I, .15 ; II, .1 ; III, .85 ; IV, .56 ; V, .55 ; VI, .2 ; spur, i.i mm.; 

 total length of antennce, 2.51 mm. Nectaries, .78 mm., and cauda, 

 .15 mm. 



Fall Migrant. — This form so nearly resembles the above as to make 

 a second description unnecessary. 



Oviparous Females. — Taken on leaves and in the act of oviposition 

 along young shoots, November i, 19 11 ; present until a late frost in 

 November. 



General colour green. First two antennal segments and basal half of 

 third and legs, except tarsi, light green, remaining parts of antennas and 

 tarsi dusky to black. Other characters and measurements taken from 

 specimens mounted in balsam. Antennal tubercles strong and prominent. 

 First antennal segment large, remaining segments long and slender. 

 Antennae medium length and with decided Myzus characters, being 

 slightly curved in and having the constricted tips. The portion of the 

 abdomen back of the nectaries large and extending back nearly to the end 

 of the nectaries. Cauda short and blunt. 



Measurements: Length of body, 2.25 mm.; width, i mm. Length 

 of antennal segments, I, .135; II, .066; III, .58; IV, .49 ; V, .4 ; VI, 

 .11; spur, ,55 mm.; total length, 2.331 mm. Length of nectaries, .71 

 mm.; length of cauda, .11 mm. 



Alate Male. — Collected with oviparous females and alate viviparous 

 females on underside of leaves, Nov. ist and 3rd, 1911. 



General colour green. Antennae with first two segments and base of 

 third light green ; remaining segments, with distal half of femora and tarsi, 

 dusky, other parts of less green. Nectaries light dusky at base, shading 

 into black at tip. Antennas on prominent tubercles and with first segment 

 large and gibbous. Third and fourth segments with numerous slightly- 

 raised sensoria, fifth with about eight slightly larger sensoria on outer 

 edge and in a row. Wings large and venation regular. Legs long, femora 

 stouter than in alate females. Nectaries shorter than in females, but with 

 Myzus characters. Cauda of medium length, not tapering and quite 

 blunt at the tip. 



Measurements : Taken from specimens preserved in balsam. Length 



