ILLUSTRATIONS, 



Page. 



Plate I. Fig. 1. — Oro</jn/)s Z;e//o(7gru.- Head and prothorax of female 50 



Fig. 2. — Orothrips kelloggii: Left antenna of female 50 



Fig. 3. — Orothrips kelloggii: Right fore wing of female 50 



Fig. 4. — Orothrips kelloggii: Fore tarsus of female 50 



Fig. 5. — Molothrips kuwanaii: Head and prothorax of female 50 



Fig. 6. — Molothrips kutvanaii: Right antenna of female 50 



Fig. 7. — Molothrips kuwanaii: Right fore wing of female 50 



Fig. 8. — Molothrips kuwanaii: Fore tarsus of female 50 



Fig. 9. — Sericothrips reticulatus: Head, prothorax, and mesothorax 



of female 50 



Fig. 10. — Sericothrips reticulatus: End of abdomen of female 50 



II. Fig. 11. — Sericothrips stanfordii: Female 52 



Fig. 12. — Heliothrips fasciatus: Head and prothorax of female 52 



Fig. 13. — Heliothrips fasciatus: Right antenna of female 52 



Fig. 14. — Heliothrips fasciatus: End of abdomen of female 52 



Fig. 15. — Euthrips orchidii: Head and prothorax of female 52 



Fig. 16. — Euthrips orchidii: Right antenna of female 52 



Fig. 17. — Euthrips orchidii: End of abdomen of female 52 



Fig. 18. — Euthrips orchidii: Right fore wing of female 52 



III. Fig. 19. — Euthrips pyri 

 Fig. 20. — Euthrips pyri 

 Fig. 21. — Euthrips pyri 



Head and prothorax of female 54 



Head and prothorax of female from side 54 



Right antenna of female 54 



Fig. 22. — Euthrips pyri: End of abdomen of female from side 54 



Fig. 23. — Euthrips pyri: Fore tarsus of female 54 



Fig. 24. — Euthrips pyri: Right fore wing of female 54 



Fig. 25. — Euthrips ehrhornii: Head and prothorax of female 54 



Fig. 26. — Euthrips ehrhornii: Right fore wing of female 54 



Fig. 27. — Euthrips ulicis calif ornicus: Head and prothorax of female. 54 



IV. Fig. 28. — Euthrips ulicis calif ornicus: Left antenna of female 56 



Fig. 29. — Euthrips ulicis californicus: Right fore wing of fefnale 56 



Fig. 30. — Euthrips ulicis californicus: Fore leg of female 56 



Fig. 31. — Euthrips ulicis californicus: End of abdomen of male 56 



Fig. 32. — Euthrips minutus: Head and prothorax of female 56 



Fig. 33. — Euthrips minutus: Right fore wing of female 56 



Fig. 34. — Thrips madronii: Head and prothorax of female 56 



Fig. 35. — Thrips madronii: Right antenna of female 56 



Fig. 36. — Thrips madronii: Right fore wing of female 56 



V. Fig. 37. — Thrips bremnerii: Head and prothorax of female GO 



Fig. 38. — Thrips bremnerii: End of abdomen of female 60 



Fig. 39. — Thrips bremnerii: Right fore wing of female 60 



Fig. 40. — Trichothrips dens: Head and prothorax of female 60 



Fig . 41. — Trichothrips dens: Left antenna of f emal e 60 



Fig. 42. — Trichothrips dens: Right fore wing of female 60 



VII 



