X DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 



Page. 

 Fig. 14. Emergence curve of moths of the spring brood in 1911 at Douglas, 



Mich 38 



15. Curve showing relation of the temperature to the time of incubation of 



first-brood and second-brood eggs of the codling moth at Douglas, 

 Mich., 1911 45 



16. Emergence curve of moths of the summer brood in 1911 at Douglas, 



Mich 50 



17. Mailing case used for shipping codling-moth larvae 62 



18. Curves made from band-record experiments in orchards at the lake 



shore near Douglas, at Douglas, and at New Richmond, Mich., 1911. . 64 



19. Curves made from band-record experiments in orchards at Pentwater, 



Douglas, and Benton Harbor, Mich., 1911 66 



20. Diagram illustrating seasonal history of the codling moth as observed 



during 1911 at Douglas, Mich 67 



21. Diagram showing time of emergence and relative abundance of spring- 



brood and summer-brood codling moths, and blooming period of 

 apple trees, during 1909, 1910, and 1911, at Douglas, Mich 71 



22. Diagram showing time of leaving the fruit by the first-brood and 



second-brood larvae of the codling moth. during 1909, 1910, and 1911, 



at Douglas, Mich 72 



23. Diagram showing arrangement of plats and trees in the W. F. Gilkeson 



orchard, near Fishersville, Va 88 



24. Diagram showing arrangement of plats and trees in the Edward Hutch- 



ins orchard near Fennville, Mich 93 



25. Diagram showing arrangement of plats and trees in the F. C. Bancroft 



orchard, near Camden, Del 99 



26. Diagram showing arrangement of plats and trees in the Thomas fruit 



farm orchard, near Wichita, Kans 103 



27. Diagram showing emergence of moths, derived from band-record 



material collected in 1909 117 



28. Diagram showing emergence of moths, derived from band-record 



material collected in 1909 118 



29. Diagram showing time of pupation of spring brood of pupae, 1910 119 



30. Diagram showing emergence of first-brood moths for 1910 133 



31. Diagram showing seasonal history of the codling moth during the season 



of 1910 142 



32. Diagram showing pupation of spring brood of larvae, 1911 144 



33 . Diagram showing emergence of moths ; overwintering brood of 1911 144 



34. Diagram showing first-brood pupae, 1911 152 



35. Diagram showing emergence of first-brood moths, 1911 154 



36 . Diagram showing band record of 1909 162 



37. Diagram showing band record of 1910 163 



38. Diagram showing band record, Northern orchard, 1911 164 



39. Diagram showing seasonal history of the codling moth during the 



season of 1911 166 



