X DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 



TEXT FIGURES. 



Page. 



Fig. 1. Curve showing emergence of spring brood of adults of codling moth 



(Carpocapsa pomonella) from collected wintering material 5 



2. Curve showing record of larvse and pupae of the codling moth taken 



from bands in 1907 24 



3. Curve showing band record of 1908 25 



4. Curve showing band record from 6 Jonathan apple trees, made at 



Anderson, Mo., in 1908 25 



5. Curve showing band record from 14 Gano and Lansingburg apple trees, 



made at Anderson, Mo. , in 1908 26 



6. Curve showing emergence of adults from material collected in taking 



band record in 1907 27 



7. Curve showing emergence of adults from material collected in taking 



band record in 1908 27 



8. Diagram illustrating the seasonal history of the codling moth as ob- 



served in 1908 at Siloam Springs, Ark 32 



9. The peculiar cases of the cigar case-bearer (Coleophora fietcherella) 37 



10. The cigar case-bearer: Adult female, egg, larva, pupa, details 38 



11. Life cycle of the cigar case-bearer 40 



12. Habrocytus sp., a parasite of the cigar case-bearer 41 



13. The pear thrips {Euthrips pyri): Ovipositor and end of abdomen from 



side 55 



14. The pear thrips: Eggs 57 



15. The pear thrips : Larva 58 



16. The pear thrips : Nymph or pupa 59 



17. The pear thrips: Adult 60 



18. Rearing device for pupal records 72 



19. Emergence curve of spring-brood moths, 1909 75 



20. Emergence curve of first-brood moths, 1909 87 



21. Band-record curve of 1909 96 



22. Diagram showing the seasonal history of the codling moth in 1909 99 



23. Emergence curve of spring-brood moths, 1907 101 



24. Emergence curve of first-brood moths, 1907 101 



25. Emergence curve of first-brood moths, 1908 101 



26. Band-record curve of 1907 103 



27. Band-record curves of 1908 103 



28. Maximum and minimum temperature curves, 1907 105 



29. Maximum and minimum temperature curves, 1908 106 



30. Maximum and minimum temperature curves, 1909 107 



31. Time of emergence of spring-brood and first-brood moths, and the 



blossom periods of apple trees, during 1907, 1908, and 1909 108 



32. Time of leaving the fruit of the first-brood and second-brood larvse 



during 1907, 1908, and 1909 109 



33. The condition of the calyx cup of the apple in relation to spraying for 



the codling moth 114 



34. Diagram of the Mrs. S. E. Jones orchard, Siloam Springs, Ark., showing 



location of plats and trees used for making counts of fruit 117 



35. Diagram showing arrangement of plats and trees in the W. S. Ballard 



orchard, near Crozet, Va 130 



36. Diagram showing arrangement of plats and trees in the orchard of the 



Strathmore Orchard Co., near Mount Jackson, Ya 135 



37. Diagram illustrating arrangement of plats and position of trees in the 



E. H. House orchard, near Saugatuck, Mich 138 



