. Bulletin of the Department of Agriculture. Agriculture. Bui. 252, U. S. Dept. of Agriculture. Plate. Chart Illustrating the Life History of the Codling Moth in Maine. Fig. 1.—Overwintering larva in cocoon. Fig. 2.—Cocoons remodeled by overwintering larvae to form exit tubes. The upper cocoon contains a spring-brood pupa; the lower, a pupal skin from which the moth emerged. Fig. 3.—A spring-brood moth. Fig. 4.—A spring-brood moth ovi- positing on leaf, showing first-brood eggs. Fig. 5.—A wormy apple containing a first-brood larva. Fig. 6.—Cocoons of first-brood larvse, one of which trans
. Bulletin of the Department of Agriculture. Agriculture. Bui. 252, U. S. Dept. of Agriculture. Plate. Chart Illustrating the Life History of the Codling Moth in Maine. Fig. 1.—Overwintering larva in cocoon. Fig. 2.—Cocoons remodeled by overwintering larvae to form exit tubes. The upper cocoon contains a spring-brood pupa; the lower, a pupal skin from which the moth emerged. Fig. 3.—A spring-brood moth. Fig. 4.—A spring-brood moth ovi- positing on leaf, showing first-brood eggs. Fig. 5.—A wormy apple containing a first-brood larva. Fig. 6.—Cocoons of first-brood larvse, one of which transformed to pupa. Fig. 7.—First- brood moth ovipositing on leaf, showing second-brood eggs. Fig. 8.—An apple showing where a second-brood larva entered the side. Time to spray, as soon as petals drop. Too late to spray, calyx cup closed. (Original.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.
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