198 Annals Entomological Society of America |Vol. VIII, 
EXPLANATION OF PLATE XIX. 
Fig. 1. Deltocephalus vinnulus, last ventral segment of female. 
Fig. 2. Deltocephalus vinnulus, male genitalia. 
Fig. 3. Deltocephalus visendus, male genitalia. 
Fig. 4. Deltocephalus visendus, last ventral segment of female. 
Fig. 5. Deltocephalus vicilinus, male genitalia. 
Fig. 6. Deltocephalus vicilinus, last ventral segment of female. 
Fig. 7. Chlorotettix vivida, male genitalia. 
Fig. 8. Chlorotettix vivida, last ventral segment of female. 
Fig. 9. Chlorotettix nacreosa, male genitalia. 
Fig. 10. Chlorotettix nacreosa, last ventral segment of female. 
Fig. 11. Deltocephalus arundineus, last ventral segment of female. 
Fig. 12. Deltocephalus arundineus, male genitalia. 
Fig. 13. Phlepsius optatus, last ventral segment of female. 
Fig. 14. Phlepsius optatus, male genitalia. 
Fig. 15. Deltocephalus pyrops, last ventral segment of female. 
Fig. 16. Deltocephalus pyrops, male genitalia. 
Fig. 17. Deltocephalus funabulus, last ventral segment of female. 
Fig. 18. Deltocephalus funabulus, male genitalia. 
Fig. 19. Eutettix ziczac, last ventral segment of female. 
Fig. 20. Eutettix ziczac, left elytron. 
Fig. 21. Deltocephalus mendosus Ball, male genitalia. 
Fig. 22. Chlorotettix vacuna, last ventral segment of female. 
Fig. 23. Chlorotettix vacuna, male genitalia. 
Fig. 24. Athysanus (Stirellus) villicus, male genitalia. 
Fig. 25. Athysanus (Stirellus) villicus, last ventral segment of female. 
