EXPLANATION OF PLATE 78. 



Fig. 1. Rico plant witli young and .adult hnjipcrs (ji 



Fig. 2. Eggs in a shcathing-lcaf of a iilaut x 14. 



Fig. 3. An egg (Tnuch enlarged). 



Fig. 4. Nymph, 1st instar x72 



Fig. 5. Male hopper x 15. 



Fig. 6. Female hopper x 15. 



