PLATE IV. 



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7 







EXPLANATION OF PLATE 4. 

 Publilia concava Say. 



Fig. 1. First stage nymph, side view x 30. 



2. Second " " " " x 13. 



3. Third " " '* " x 10. 



4. Fourth " " " " x 8.75. 



5. Fifth " " " " x 8.75. 



6. Adult " " x 6. 



7. Egg x 19.5. 



8. Outer wing x 9.25. 



^ 



