Online Phenology Models and Degree-day Calculator
immaturedamageadult
San Jose scale [tree fruits]
insect model of Rice etal (1982)


Output from uspest.org/wea insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: San Jose scale [tree fruits] Type: insect Model source/other links: Rice etal (1982) Calculation method: single sine Lower threshold: 51 degrees Fahrenheit Upper threshold: 90 degrees Fahrenheit Directions for starting/BIOFIX: first male scale from overwintering generation Starting/BIOFIX date: 3 15 Ending date: 8 31 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 305 DD after 1st male from OW gen: 100 degree-days until first crawler 2. 405 DD after 1st male from OW gen: first crawler emergence 3. 605 DD after 1st male from OW gen: UC Davis rec. crawler treatment 4. 723 DD after 1st male from OW gen: first second instars 5. 936 DD after 1st male from OW gen: first pupae 6. 1031 DD after 1st male from OW gen: 1st male catch next generation 7. 1050 DD after 1st male from OW gen: first mating next generation 8. 1455 DD after 1st male from OW gen: first crawlers second generation ==============================MODEL OUTPUT================================ Weather station: 2016 MF23241 MILTON_FREEWATER_GROWERS Brown McClellan OR Lat45.9528 Long:-118.4678 Elev:843 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 65.90 41.90 0.00 5.38 5.4 * START *Vx Vn 4 26 67.00 42.40 0.00 5.94 11.3 Vx Vn 4 27 62.00 49.20 0.00 4.89 16.2 Vx Vn 4 28 72.10 50.00 0.00 10.14 26.4 Vx Vn 4 29 57.90 50.70 0.00 3.33 29.7 Vx Vn 4 30 68.80 48.30 0.00 7.97 37.7 Vx Vn 5 1 78.50 40.50 0.00 10.91 48.6 Vx Vn 5 2 85.10 32.00 0.00 12.57 61.1 Vx 5 3 68.30 9.00 0.00 4.09 65.2 Hx 5 4 68.60 43.40 0.00 6.83 72.1 Hx Hn 5 5 68.90 43.70 0.00 7.02 79.1 Hx Hn 5 6 77.10 53.20 0.00 14.15 93.2 5 7 82.00 53.00 0.00 16.50 109.7 5 8 75.40 60.40 0.00 16.90 126.6 5 9 64.00 47.10 0.00 5.36 132.0 5 10 72.90 40.00 0.00 8.25 140.2 Vx 5 11 81.20 45.40 0.00 13.26 153.5 Vx Vn 5 12 83.90 61.30 0.00 21.60 175.1 5 13 83.00 32.00 0.00 11.63 186.7 5 14 68.20 52.60 0.00 9.40 196.1 5 15 58.50 51.80 0.00 4.15 200.3 5 16 72.90 32.00 0.00 7.25 207.5 5 17 78.40 49.20 0.00 12.99 220.5 5 18 81.50 32.00 0.00 10.97 231.5 5 19 66.00 47.90 0.00 6.50 238.0 5 20 62.00 43.10 0.00 3.82 241.8 5 21 64.90 47.00 0.00 5.77 247.6 5 22 67.80 52.80 0.00 9.30 256.9 5 23 70.40 50.00 0.00 9.29 266.2 Vx 5 24 75.40 53.10 0.00 13.25 279.4 5 25 79.80 52.80 0.00 15.30 294.7 5 26 72.40 54.50 0.00 12.45 307.2 100 degree-days until first crawler 5 27 67.80 50.00 0.00 8.00 315.2 5 28 74.40 47.40 0.00 10.47 325.7 5 29 77.00 55.10 0.00 15.05 340.7 5 30 76.60 49.30 0.00 12.13 352.8 5 31 84.20 45.40 0.00 14.72 367.5 6 1 82.70 52.00 0.00 16.35 383.9 6 2 76.10 64.00 0.00 19.05 402.9 6 3 87.20 56.80 0.00 21.00 423.9 first crawler emergence 6 4 94.10 52.90 0.00 21.95 445.9 6 5 93.70 57.30 0.00 23.99 469.9 6 6 99.90 32.00 0.00 17.72 487.6 Vx 6 7 95.30 66.00 0.00 28.67 516.3 6 8 83.60 65.80 0.00 23.70 540.0 6 9 77.50 58.90 0.00 17.20 557.2 6 10 67.00 53.20 0.00 9.10 566.3 6 11 71.60 21.20 0.00 5.86 572.1 6 12 77.50 47.50 0.00 12.01 584.1 6 13 72.50 53.70 0.00 12.10 596.2 6 14 68.70 50.90 0.00 8.80 605.1 UC Davis rec. crawler treatment 6 15 65.70 46.60 0.00 6.07 611.1 6 16 69.00 47.60 0.00 7.88 619.0 6 17 77.90 32.00 0.00 9.39 628.4 6 18 67.20 55.00 0.00 10.10 638.5 6 19 73.90 45.50 0.00 9.75 648.2 6 20 81.90 48.80 0.00 14.59 662.8 Vx 6 21 80.80 58.70 0.00 18.75 681.6 6 22 85.40 48.90 0.00 16.36 697.9 Vx Vn 6 23 81.70 62.40 0.00 21.05 719.0 Vx Vn 6 24 73.00 54.50 0.00 12.75 731.7 Vx Vn first second instars 6 25 81.60 52.20 0.00 15.90 747.6 Vx Vn 6 26 91.00 52.20 0.00 20.53 768.2 Vx Vn 6 27 93.20 61.00 0.00 25.67 793.8 Vx Vn 6 28 94.90 67.70 0.00 29.40 823.2 Vx Vn 6 29 94.30 64.70 0.00 27.79 851.0 Vx Vn 6 30 90.50 65.60 0.00 27.02 878.1 Vx Vn 7 1 89.00 63.50 0.00 25.25 903.3 Vx Vn 7 2 89.80 62.60 0.00 25.20 928.5 Vx Vn 7 3 85.60 64.90 0.00 24.25 952.8 Vx Vn first pupae 7 4 80.50 57.70 0.00 18.10 970.9 Vx Vn 7 5 78.50 55.80 0.00 16.15 987.0 Vx Vn 7 6 80.70 59.40 0.00 19.05 1006.1 Vx Vn 7 7 81.70 60.70 0.00 20.20 1026.3 Vx Vn 7 8 77.60 61.30 0.00 18.45 1044.7 Vx Vn 1st male catch next generation 7 9 77.90 58.70 0.00 17.30 1062.0 Vx Vn first mating next generation 7 10 70.30 59.40 0.00 13.85 1075.9 Vx Vn 7 11 81.00 59.30 0.00 19.15 1095.0 Vx Vn 7 12 80.00 59.90 0.00 18.95 1114.0 Vx Vn 7 13 83.30 56.20 0.00 18.75 1132.7 Vx Vn 7 14 90.00 58.00 0.00 23.00 1155.7 Vx Vn 7 15 81.50 57.40 0.00 18.45 1174.2 Vx Vn 7 16 83.60 59.10 0.00 20.35 1194.5 Vx Vn 7 17 88.70 56.60 0.00 21.65 1216.2 Vx Vn 7 18 80.80 61.50 0.00 20.15 1236.3 Vx Vn 7 19 79.60 60.00 0.00 18.80 1255.1 Vx Vn 7 20 87.70 60.20 0.00 22.95 1278.1 Vx Vn 7 21 95.00 55.70 0.00 23.58 1301.6 Vx Vn 7 22 82.70 64.20 0.00 22.45 1324.1 Vx Vn 7 23 84.40 59.40 0.00 20.90 1345.0 Vx Vn 7 24 90.00 53.40 0.00 20.70 1365.7 Vx Vn 7 25 96.40 58.60 0.00 25.36 1391.1 Vx Vn 7 26 96.10 72.30 0.00 31.85 1422.9 Vx Vn 7 27 95.50 69.60 0.00 30.45 1453.4 Vx Vn 7 28 99.30 69.20 0.00 30.98 1484.3 Vx Vn first crawlers second generation 7 29 101.90 70.70 0.00 32.04 1516.4 Vx Vn 7 30 94.70 72.40 0.00 31.61 1548.0 Vx Vn 7 31 87.10 62.60 0.00 23.85 1571.8 Vx Vn 8 1 90.50 55.20 0.00 21.82 1593.7 Vx Vn 8 2 78.20 60.60 0.00 18.40 1612.1 Vx Vn 8 3 84.00 54.80 0.00 18.40 1630.5 Vx Vn 8 4 92.70 53.90 0.00 22.00 1652.5 Vx Vn 8 5 94.40 63.40 0.00 27.19 1679.7 Vx Vn 8 6 89.00 60.70 0.00 23.85 1703.5 Vx Vn 8 7 83.00 62.10 0.00 21.55 1725.1 Vx Vn 8 8 76.90 54.20 0.00 14.55 1739.6 Vx Vn 8 9 74.80 57.00 0.00 14.90 1754.5 Vx Vn 8 10 84.00 56.90 0.00 19.45 1774.0 Vx Vn 8 11 90.40 57.60 0.00 22.98 1796.9 Vx Vn 8 12 95.80 61.20 0.00 26.47 1823.4 Vx Vn 8 13 98.00 65.50 0.00 29.02 1852.4 Vx Vn 8 14 95.80 70.60 0.00 30.99 1883.4 Vx Vn 8 15 96.00 61.50 0.00 26.67 1910.1 Vx Vn 8 16 95.90 65.10 0.00 28.38 1938.5 Vx Vn 8 17 94.70 63.90 0.00 27.51 1966.0 Vx Vn 8 18 96.80 65.80 0.00 28.92 1994.9 Vx Vn 8 19 89.30 64.50 0.00 25.90 2020.8 Vx Vn 8 20 94.60 55.10 0.00 23.18 2044.0 Vx Vn 8 21 95.40 65.00 0.00 28.22 2072.2 Vx Vn 8 22 80.40 56.00 0.00 17.20 2089.4 Vx Vn 8 23 83.10 54.50 0.00 17.80 2107.2 Vx Vn 8 24 86.90 51.70 0.00 18.30 2125.5 Vx Vn 8 25 89.70 51.50 0.00 19.60 2145.1 Vx Vn 8 26 91.50 57.50 0.00 23.37 2168.5 Vx Vn 8 27 91.10 68.90 0.00 28.90 2197.3 Vx Vn 8 28 89.50 62.00 0.00 24.75 2222.1 Vx Vn 8 29 92.00 56.60 0.00 23.10 2245.2 Vx Vn 8 30 82.40 61.70 0.00 21.05 2266.2 Vx Vn 8 31 83.30 59.60 0.00 20.45 2286.7 Vx Vn Forecast using: 10 yr Hist Avg MF23241 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF23241 Brown McClellan OR
DateDDsEvent
 5-26-16 307100 degree-days until first crawler
 6-3-16 424first crawler emergence
 6-14-16 605UC Davis rec. crawler treatment
 6-24-16 732first second instars
 7-3-16 953first pupae
 7-8-16 10451st male catch next generation
 7-9-16 1062first mating next generation
 7-28-16 1484first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)