172 



THE CANADIAN ENTOMOLOGIST. 



*Not including the large sensorium. 



Wingless oviparous female. 

 (PI. VII, fig. 48.). 



Body ochreous brown and covered with many small blackish 

 dots, each giving rise to a spinelike hair; head and thorax with 

 dusky longitudinal bands on each side of the median line; the 

 entire body covered with a fine pulverulence. Antennae dusky to 

 blackish, segment IV being slightly paler at base; relative length 

 of segments about as in other forms; less than half the body length; 

 sensoria as in wingless viviparous female. Eyes black. Leg s 

 blackish, excepting bases of femora, which are paler; hind tibiae 

 swollen and bearing about 65 circular sensoria. (An occasional 

 oviparous female has been observed which bore no visible sensoria 

 on hind tibia?, although the latter are always swollen.) Anal 

 plate dusky. 



Average measurements from 5 specimens in balsam as follows: 

 Length of body 2.55 mm., width 0.85 mm. Antennal measure- 

 ments as follows: 



