. Bulletin of the Department of Agriculture. Agriculture; Agriculture. LIFE HISTORY' OF THE CODLING MOTH IN MAINE. 19 Table XIII.âLengthof the pupal stage of the first brood, Winthrop, Me., 1913. No. ofob serva- tion. Date of- L earing fruit. July 25 July 26 July 27 ... July 2S July 29 ... July 30 ... ... ... ...do July 31 ... ... Pupa- tion. July 30 ... ... Aug. 1 Aug. 3 ... ... ... Aug. 4 Aug. 5 Aug. 7 Aug. 9 Aug. 4 Aug. 5 Aug. 6 Emer- gence. Aug. 11 Aug. 14 ... Aug. 16 Aug. 17 ... ... ... ..
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. LIFE HISTORY' OF THE CODLING MOTH IN MAINE. 19 Table XIII.âLengthof the pupal stage of the first brood, Winthrop, Me., 1913. No. ofob serva- tion. Date of- L earing fruit. July 25 July 26 July 27 ... July 2S July 29 ... July 30 ... ... ... ...do July 31 ... ... Pupa- tion. July 30 ... ... Aug. 1 Aug. 3 ... ... ... Aug. 4 Aug. 5 Aug. 7 Aug. 9 Aug. 4 Aug. 5 Aug. 6 Emer- gence. Aug. 11 Aug. 14 ... Aug. 16 Aug. 17 ... ... ... ... Aug. 20 Aug. 22 Aug. 26 Aug. 18 Aug. 19 ... Mak- ing of co- coon. Days. 5 4 3 5 Pupal nod. Days. 12 IS 15 15 14 11 14 14 13 15 15 17 14 14 13 No. of ob- serva- tion. Date of- Leaving fruit. July ...do. ...do. Aug. ...do. Aug. ...do. ...do. ...do. ...do. Aug. Aug. Aug. Aug. Aug. Pupa- tion. Aug. 6 Aug. 8 Aug. 9 Aug. 8 Aug. 9 ... Aug. 10 Aug. 11 Aug. 15 Aug. 16 Aug. 11 Aug. 13 Aug. 14 Aug. 10 Aug. 22 Emer- gence. Aug. 23 Aug. 27 Aug. 23 Aug. 27 Aug. 24 Aug. 23 Aug. 25 Aug. 26 Aug. 30 Sept. 1 Aug. 26 Aug. 31 Aug. 29 Aug. 26 Sept. 6 Average Maximum. Mak- ing of co- coon. Days. 6 8 9 6 7 6 7 8 12 13 6 7 7 2 12 13 2 Pupal period. Days. 17 19 14 19 15 14 15 15 15 16 15 18 15 16 15 19 12 FIRST BROOD OF ;E OR SUMMER PUP^E. Time of pupation.âThe earliest pupation of the first-brood larvae occurred July 30, the latest August 22. (See Table XIII and fig. 3.). <0 o â «⢠<Vi 01 J ULr 1| t) It Kl lONCDO)0 *^~~ â ~^-~.^â ~» â <\i(VjAj<Vj<Vl AUGUST Fig. :',.âDiagram showing pupation of the first brood of the codling moth in 1913 at Winthrop, Me. (Original.) Length of the pupal stage.âThe average length of the first-brood pupal stage, as shown in Table XIII, was days; maximum, 19 days; minimum, 12 days. FIRST OR SUMMER BROOD OF MOTHS. Time of emergence.âFirst-brood modi emergence commenced August 7, as show
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