. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 12 BULLETIN 1235, U. S. DEPARTMENT OF AGRICULTURE. PVPM OF THE FIRST BROOD. Time cf pupation.—Transforming larvas of the first brood began pupating July 7, and continued until August 12, the largest number pupating from July 13 to 23, with the maximum July 19. (See Fig. 5.). Fig. 5.—Pupation of the first brood of the codling moth at Yakima, Wash., 1919. Length of pupal stage.—Data on the length of the pupal stage of the first brood of pupas were secured from 128 individuals, as in- dicated in Table 9. Table 9.—Length o
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 12 BULLETIN 1235, U. S. DEPARTMENT OF AGRICULTURE. PVPM OF THE FIRST BROOD. Time cf pupation.—Transforming larvas of the first brood began pupating July 7, and continued until August 12, the largest number pupating from July 13 to 23, with the maximum July 19. (See Fig. 5.). Fig. 5.—Pupation of the first brood of the codling moth at Yakima, Wash., 1919. Length of pupal stage.—Data on the length of the pupal stage of the first brood of pupas were secured from 128 individuals, as in- dicated in Table 9. Table 9.—Length of the pupal stage of pupae of the first brood of the codling moth, Yakima, Wash., 1919. Date of pupation. Num- ber of pupae. Pupal period in days. Date of pupation. Num- ber of pupse. Pupal period in days. Average. Maxi- mum. Mini- mum. Average. Maxi- mum. Mini- mum. July 7 8 12 13 14 15 16 17 18 19 20 21 22 1 2 4 7 5 11 9 9 12 13 9 11 8 12 12 12 14 13 15 13 13 21 44 15 44 37 12 11 10 10 11 11 11 11 12 11 10 10 13 July 23 24 25 26 28 29 30 Aug. 3 4 5 6 7 11 6 1 3 1 1 3 1 1 2 4 1 1 2 13. 50 17 13 14 15 14 16 13 14 14 14 15 12 14 9 13 12 15 14 15 13 14 13 13 15 12 12 Total number of pupse 128 Average length of the pupal stage in days Maximum length of the pupal stage in days 44 Minimum, length of the pupal stage in days 9. 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 Dept. : Supt. of Docs. , G. P. O.
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