ILLUSTRATIONS. 



Page. 

 Plate I. Fig. 1. — Erythrothrips arizonse: Head and thorax of female, dorsal 



view 40 



Fig. 2. — Erythrothrips arizonse: Tip of abdomen of female, dorsal 



view 40 



Fig. 3. — Erythrothrips arizonse: Tip of abdomen of male, dorsal view . 40 



Fig. 4 . — Erythrothrips arizonx: Right fore wing 40 



Pig. 5. — Erythrothrips arizonse: Maxillary palpus 40 



Fig. 6.^ — Erythrothrips arizonx: Left antenna 40 



Fig. 7 . — Erythrothrips arizonx: Larva 40 



II. Fig. 8. — Orothrips kelloggii: Right antenna . . 40 



Fig. 9. — Orothrips kellogyii yosemitii: Right antenna 40 



Fig. 10. — Thrips magnus: Head and prothorax of female 40 



Fig. 11 . — Thrips magnus: Right fore wing 40 



Fig. 12. — Euthrips citri: Head and prothorax of female 40 



Fig. 13. — Euthrips citri: Tip of abdomen of female 40 



Fig. 14. — Euthrips citri: Right antenna of female 40 



Fig. 15. — Euthrips citri: Right fore wing 40 



III. Fig. 16. — Echinothrips mexicanus: Head and thorax of female, dorsal 



view 40 



Fig. 17. — Echinothrips mexicanus: Tip of abdomen of female, dorsal 



view 40 



Fig. 18. — Echinothrips mexicanus: Right fore wing of female 40 



Fig. 19. — Echinothrips mexicanus: Right antenna 40 



Fig. 20. — Euthrips albus: Headandprothoraxof female, dorsal view. 40 



Fig. 21. — Euthrips albus: Tip of abdomen of female, dorsal view 40 



Fig. 22. — Euthrips alhus: Right fore wing 40 



IV. Fig. 23. — Euthrips parvus: Head and thorax of female, dorsal view. . 40 

 Fig. 24. — Euthrips parvus: Tip of abdomen of female, dorsal view. . 40 



Fig. 25. — Euthrips parvus: Right fore wing of female 40 



Fig. 26. — Euthrips helianthi: Head and prothorax of female, dorsal 



view 40 



Fig. 27. — Euthrips helianthi: Tip of abdomen of female, dorsal view. 40 



Fig. 28. — Euthrips helianthi: Right antenna of female 40 



Fig. 29. — Euthrips helianthi: Right fore wing 40 



Fig. 30. — Euthrips albus: Right antenna of female 40 



V. Fig. 31. — Anaphothrips zex: Head and prothorax of female, dorsal 



view 40 



Fig. 32. — Anaphothrips zex: Tip of abdomen of female, dorsal view. 40 



Fig. 33. — Anaphothrips zex: Right fore wing 40 



Fig. 34. — Anaphothrips zex: Right antenna of female 40 



Fig. 35. — Anaphothrips tricolor: Head and prothorax of female, dorsal 



view 40 



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