﻿i83 

 Plate X. 



1. Delphax aneuwnias, vertex &c. 



2. Face of the same. 



3. D. eupompe, vertex &c. 



4. Face of the same. 



5. Mcgamclns proscrpiiia, vertex &c. 



6. Tegmen of the same. 



7. Aberrant!}' veined tegmen of the same. 



8. M. spoiisa, vertex &'C. 



9. Face of the same. 



10. Delphax parysatis. 



1 1 . Face of the same. 



12. D. thy est es. 



13. Face of the same. 



14. Pcregriuns iiiaidis. 



15. D. albotristn'atiis. 



16. D. algebra. 



17. Face of the same. 



18. D. dilpa (N. B. — The vertex is too much produced), 



19. Face of the sahie. 



20. D. asfyaiiav. 



Plate XI. 



1. Steuocraitiis againopsyehe. vertex &c. 



2. Face of the same. 



3. Face of the same^ nymphal instar. 



4. Nymph of the same. 



5. Perkinsiella saecharieida, face, 



6. Profile of the same. 



7. Antenna of the same. 



8. Hind tibial and tarsus of the same. 



9. Dicraiwtropis koebelei, face. 



10. Hind tibia and tarsus of the same. 



11. Anectopia mandane, brachypterous form. 



12. Face of the same. 



13. Profile of the same. 



14. Dicranotropis psendoiitaidis. 



15. Nymph of the same. 



1 6. Face of the same. 



17. Aiieetopia luandatic, macropterous form. 



