. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 40 BULLETIN 1235, U. S. DEPARTMENT OF AGRICULTURE. 260. 23 28 ? 7 /2 /7 22 27 2 Fig. 24.—Emergence of the spring brood of moths of the codling moth at Yakima, Wash., 1921. Table 34.—Oviposition by codling moths of the spring brood in rearing Yakima, Wash., 1921. Sex. Date of— N umber of days- Total From Ob- ser- va- tion. Num- ber of moths Male. Fe- male. Emer- gence. First ovi- position. Maxi- mum ovi- position. Last ovi- position. Be- fore ovi- posi- tion. emer- gence to maxi- mum- ovi- posi- tion. Of ovi- posi- tion
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 40 BULLETIN 1235, U. S. DEPARTMENT OF AGRICULTURE. 260. 23 28 ? 7 /2 /7 22 27 2 Fig. 24.—Emergence of the spring brood of moths of the codling moth at Yakima, Wash., 1921. Table 34.—Oviposition by codling moths of the spring brood in rearing Yakima, Wash., 1921. Sex. Date of— N umber of days- Total From Ob- ser- va- tion. Num- ber of moths Male. Fe- male. Emer- gence. First ovi- position. Maxi- mum ovi- position. Last ovi- position. Be- fore ovi- posi- tion. emer- gence to maxi- mum- ovi- posi- tion. Of ovi- posi- tion. From emer- gence to last ovi- posi- tion. ber of eggs de- pos- ited. 1 39 33 6 May 21 May 23 May 24 June 8 2 3 17 18 310 2 31 15 16 May 22 May 24 May 25 ...do 2 3 16 17 726 3 74 45 29 May 23 May 25 May 30 June 13 2 7 20 21 1,042 4 142 66 76 May 24 ...do May 31 June 20 1 7 27 27 3,066 5 83 34 49 May 25 May 27 June 4 June 17 2 10 22 23 1,596 6 9 4 5 May 27 May 30 May 30 June 7 3 3 9 11 143 7 110 45 65 May 28 ...do June 1 June 12 2 4 14 15 506 8 104 36 68 May 29 ...do June 5 June 20 1 7 22 22 508 9 132 44 88 May 30 May 31 June 3 June 22 1 4 23 23 1,251 10 50 26 24 May 31 June 2 June 4 June 19 2 4 18 19 610 11 85 30 55 June 1 ...do June 5 June 27 1 4 26 26 1,227 12 91 30 61 June 2 June 3 June 8 June 26 1 6 24 24 794 13 24 9 15 June 3 June 4 June 6 ...do 1 3 23 23 309 14 61 18 43 June 4 June 5 ...do June 22 1 2 18 18 600 15 51 8 43 June 5 June 6 June 11 June 25 1 6 20 20 363 16 21 9 12 June 6 June 7 June 12 June 29 1 6 23 23 428 17 35 12 23 June 7 June 9 ...do Junc 25 2 5 17 18 221 18 10 3 7 June 8 June 26 June 26 July 4 18 18 9 26 4 19 14 Avera Maxin Minim 3 11 June 9 June 12 June 12 June 26 3 3 15 17 59 18 1 18 2 27 9 27 11 Number of male moths Number of female moths Total number of moths Total number of eggs Average number of eggs per female Please note that these images are extracted from scanned page images that may have been digitally enhan
Size: 1604px × 1557px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture
