PLATE XCII. 



Pterooallis alni. (Page 31.) 



Fig. 1. — Apterous viviparous female. 



Fig. 2. — Winged viviparous female. 



Fig. 3. — Head and antenna of fig. 1. The front is 

 setose. 



Fig. 4. — Head of fig. 2. The front is smooth, and 

 the smooth antennal joint curtailed in length. 



Pterooallis juglandicola. (Page 32.) 



Fig. 5. — Apterous viviparous female. 

 Fig. 6. — Pupa of the same drawn of relative size. 

 Fig. 7. — Winged viviparous female. 

 Fig. 8. — Viviparous female. The isolated spots on 

 the femora may be noted. 



