. Bulletin of the Department of Agriculture. Agriculture. CODLING MOTH IN COLORADO. 73 Table XLIX.—Time of pvpotion of tr(n}.sforming codling moth larvw of tlie second brood. Grand Junction, Colo., 1916. Rate of pupation. Num- ber of pupae. Date of pupation. Num- ber of pupiE. Date of pupation. Num- ber of pupae. Date of pupation. Num- ber of pupa;. Date of pupation. Num- ber of pupae. July 27 28 29 30 31 Aug. 1 2 4 3 12 18 23 Aug. 2 4 5 6 7 19 6 10 12 10 14 Aug. 8 10 11 12 13 10 7 4 6 0 1 Aug. 14 16 17 18 19 1 2 1 0 0 1 22 23 4 0 0 1 171 Table L.—Length of the pupal stage of co


. Bulletin of the Department of Agriculture. Agriculture. CODLING MOTH IN COLORADO. 73 Table XLIX.—Time of pvpotion of tr(n}.sforming codling moth larvw of tlie second brood. Grand Junction, Colo., 1916. Rate of pupation. Num- ber of pupae. Date of pupation. Num- ber of pupiE. Date of pupation. Num- ber of pupae. Date of pupation. Num- ber of pupa;. Date of pupation. Num- ber of pupae. July 27 28 29 30 31 Aug. 1 2 4 3 12 18 23 Aug. 2 4 5 6 7 19 6 10 12 10 14 Aug. 8 10 11 12 13 10 7 4 6 0 1 Aug. 14 16 17 18 19 1 2 1 0 0 1 22 23 4 0 0 1 171 Table L.—Length of the pupal stage of codling moth pupw of the second brood. Grand Junction, Colo., 1916. Date of pupation. Num- ber of indi- vid- uals. Length of the pupal stage in specified days. Date of pupation. Num- ber of indi- vid- uals. I-ength of the pupal stage in specified days. 11 12 13 14 15 16 11 12 13 14 15 16 July 27 28 29 30 31 Aug. 1 3 4 5 6 7 8 3 3 12 17 21 17 6 9 12 9 13 10 1 .... 1 Aug. 9 10 13 14 15 16 19 20 23 7 4 6 1 1 2 3 3 ?i^ 1 2 9 2 2 4 2 2 6 10 7 2 4 5 5 3 8 6 3 4 4 4 3 9 4 1 1 6 1 1 1 1 1 1 2 j! 1 .... 1 1 5 19 52 60 t 20 4 3 "{ 160 1 Average length of pupal Maximum length of pupal stage. Minimum length of pupal stage. Days. Moths of the Second Brood. Time of emergence.—The time of emergence of 170 moths of the second brood is presented in Table LI. The first of these moths issued August 7, the last about one month later on September 6. The period of greatest emergence occurred from August 14 to August 21. As has already been referred to (p. 59), there is an overlapping of moths of the first and second broods from August 7, the time when the first moths of the second brood appeared, to August 19, when the last of the first brood of moths emerged. In figure 28 will be found a graph illustrating the time of emergence with average daily -Time of emergence of codling moths of the second brood, Grand Junction, Colo., Please note that th


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