. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 38 BULLETIN 932, U. S. DEPARTMENT OF AGRICULTURE. Table XXIV.—Length of the pupal stage of pupa; of the second brood of the codling moth, Grand Junction, Colo., 1915. Date of pupation. Num- ber of indi- vid- uals. Length of the pupal stage in speci- fied days. 11 12 13 14 16 19 21 31 Aug. 12 14 15 17 19 22 23 25 27 28 29 30 Sept. 9 13 14 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 16 2 1 2 6 1 2 1 1 Average length of pupal stage Maximum length of pupal stage 31 Minimum length of pupal stage 11 M
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 38 BULLETIN 932, U. S. DEPARTMENT OF AGRICULTURE. Table XXIV.—Length of the pupal stage of pupa; of the second brood of the codling moth, Grand Junction, Colo., 1915. Date of pupation. Num- ber of indi- vid- uals. Length of the pupal stage in speci- fied days. 11 12 13 14 16 19 21 31 Aug. 12 14 15 17 19 22 23 25 27 28 29 30 Sept. 9 13 14 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 16 2 1 2 6 1 2 1 1 Average length of pupal stage Maximum length of pupal stage 31 Minimum length of pupal stage 11 Moths of the Second Brood. Time of emergence.—The time of emergence of moths of the sec- ond brood reared from insectary-bred material is presented in Table. Fig. 11.—Time of emergence of moths of the second brood of the codling moth, Oram] Junction, Colo., 1915. XXV and figure 11. The first motli of this brood issued August 23, the last October 14; thus the emergence extended over a period of more than one and a half 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.
Size: 2470px × 1012px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture
