PLATE XXVII. 

 Fig. 1. Fifth instar of Palmacorixa buenoi. 

 Fig. 2. Male Palmacorixa buenoi from Beebe lake. 

 Fig. 3. Male Palmaconxa buenoi from Bool's Backwater, nearby. 

 These sizes are distinct. 



Fig. 4. Fourth instar nymph of PalmacoHxa buenoi. 



Fig. 5. Third instar nymph of Palmacorixa buenoi. 



Fig. 6. Second instar nymph of Palmacorixa buenoi. 



Fig. 7. First instar nymph of Palmacorixa buenoi. 



Fig. 8. First instar nymph of Arctocm^ixa alternata. N. Y. variety. 



Fig. 9. Fourth instar nymph of ArctocoHxa alternata. N. Y. variety. 



Fig. 10. Third instar nymph of Ai'ctocorixa alternata. N. Y. variety. 



Fig. 11. Second instar nymph of A^-ctocorixa alternata. N. Y. variety. 



Fig. 12. Fifth instar nymph of Arctocorixa alternata. N. Y. variety, 



Compare the various instars of the two bugs as to color pattern. 



(320) 



