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 MF25352 MILTON_FREEWATER_GROWERS Davis Gawith Gala OR Lat:45.9689 Long:-118.4081 Elev:879 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 65.50 42.10 0.00 5.23 5.2 * START *Vx Vn 4 26 65.80 42.60 0.00 5.43 10.7 Vx Vn 4 27 61.30 49.50 0.00 4.63 15.3 Vx Vn 4 28 70.70 49.70 0.00 9.34 24.6 Vx Vn 4 29 57.90 50.70 0.00 3.33 28.0 Vx Vn 4 30 67.80 47.90 0.00 7.38 35.3 Vx Vn 5 1 77.90 41.40 0.00 10.80 46.1 Vx Vn 5 2 85.00 47.20 0.00 15.62 61.8 Vx Vn 5 3 68.60 45.70 0.00 7.26 69.0 Hx Hn 5 4 68.90 45.90 0.00 7.44 76.5 Hx Hn 5 5 69.20 46.20 0.00 7.65 84.1 Hx Hn 5 6 77.60 53.40 0.00 14.50 98.6 Vx Vn 5 7 82.70 52.50 0.00 16.60 115.2 Vx Vn 5 8 78.20 54.50 0.00 15.35 130.6 Vx Vn 5 9 65.50 47.50 0.00 6.17 136.7 Vx Vn 5 10 76.80 41.20 0.00 10.25 147.0 Vx Vn 5 11 82.70 46.30 0.00 14.23 161.2 Vx Vn 5 12 86.00 63.10 0.00 23.55 184.7 Vx Vn 5 13 83.10 48.40 0.00 15.05 199.8 Vx Vn 5 14 67.90 54.40 0.00 10.15 210.0 Vx Vn 5 15 58.70 52.20 0.00 4.45 214.4 Vx Vn 5 16 72.00 52.40 0.00 11.20 225.6 Vx Vn 5 17 78.30 49.80 0.00 13.15 238.8 Vx Vn 5 18 83.50 56.50 0.00 19.00 257.8 Vx Vn 5 19 67.00 49.90 0.00 7.57 265.3 Vx Vn 5 20 62.30 42.20 0.00 3.85 269.2 Vx Vn 5 21 64.30 47.50 0.00 5.59 274.8 Vx Vn 5 22 67.90 52.60 0.00 9.25 284.0 Vx Vn 5 23 70.40 52.00 0.00 10.20 294.2 Vx Vn 5 24 73.00 52.00 0.00 11.50 305.7 Vx Vn 100 degree-days until first crawler 5 25 78.50 51.70 0.00 14.10 319.8 Vx Vn 5 26 70.70 53.10 0.00 10.90 330.7 Vx Vn 5 27 67.40 50.80 0.00 8.11 338.8 Vx Vn 5 28 75.30 49.10 0.00 11.42 350.2 Vx Vn 5 29 78.40 55.30 0.00 15.85 366.1 Vx Vn 5 30 76.30 49.30 0.00 11.98 378.1 Vx Vn 5 31 84.80 47.10 0.00 15.49 393.6 Vx Vn 6 1 85.30 54.00 0.00 18.65 412.2 Vx Vn first crawler emergence 6 2 76.80 64.20 0.00 19.50 431.7 Vx Vn 6 3 86.40 58.90 0.00 21.65 453.4 Vx Vn 6 4 94.10 54.00 0.00 22.49 475.9 Vx Vn 6 5 95.60 59.00 0.00 25.36 501.2 Vx Vn 6 6 99.40 67.30 0.00 30.12 531.3 Vx Vn 6 7 98.30 69.00 0.00 30.72 562.0 Vx Vn 6 8 86.00 64.60 0.00 24.30 586.3 Vx Vn 6 9 78.50 58.40 0.00 17.45 603.8 Vx Vn 6 10 70.00 54.40 0.00 11.20 615.0 Vx Vn UC Davis rec. crawler treatment 6 11 72.10 50.00 0.00 10.14 625.1 Vx Vn 6 12 78.60 49.20 0.00 13.09 638.2 Vx Vn 6 13 74.90 58.40 0.00 15.65 653.9 Vx Vn 6 14 68.70 51.60 0.00 9.15 663.0 Vx Vn 6 15 67.90 47.20 0.00 7.25 670.3 Vx Vn 6 16 68.30 49.40 0.00 8.05 678.3 Vx Vn 6 17 78.50 48.80 0.00 12.91 691.2 Vx Vn 6 18 67.30 53.50 0.00 9.40 700.6 Vx Vn 6 19 77.20 46.70 0.00 11.64 712.3 Vx Vn 6 20 81.50 50.10 0.00 14.86 727.1 Vx Vn first second instars 6 21 79.80 58.50 0.00 18.15 745.3 Vx Vn 6 22 85.90 49.30 0.00 16.76 762.0 Vx Vn 6 23 81.50 61.80 0.00 20.65 782.7 Vx Vn 6 24 73.20 54.50 0.00 12.85 795.5 Vx Vn 6 25 81.50 51.80 0.00 15.65 811.2 Vx Vn 6 26 91.60 52.50 0.00 20.91 832.1 Vx Vn 6 27 93.50 60.40 0.00 25.46 857.6 Vx Vn 6 28 95.30 66.60 0.00 28.96 886.5 Vx Vn 6 29 94.50 65.30 0.00 28.14 914.7 Vx Vn 6 30 90.60 65.90 0.00 27.21 941.9 Vx Vn first pupae 7 1 89.00 63.20 0.00 25.10 967.0 Vx Vn 7 2 90.00 63.10 0.00 25.55 992.5 Vx Vn 7 3 85.60 64.80 0.00 24.20 1016.7 Vx Vn 7 4 80.50 57.60 0.00 18.05 1034.8 Vx Vn 1st male catch next generation 7 5 78.20 55.40 0.00 15.80 1050.6 Vx Vn first mating next generation 7 6 80.70 59.50 0.00 19.10 1069.7 Vx Vn 7 7 81.60 60.50 0.00 20.05 1089.7 Vx Vn 7 8 77.80 61.50 0.00 18.65 1108.4 Vx Vn 7 9 78.00 58.30 0.00 17.15 1125.5 Vx Vn 7 10 69.70 59.00 0.00 13.35 1138.9 Vx Vn 7 11 80.80 59.00 0.00 18.90 1157.8 Vx Vn 7 12 79.80 59.80 0.00 18.80 1176.6 Vx Vn 7 13 83.40 56.70 0.00 19.05 1195.6 Vx Vn 7 14 89.80 57.90 0.00 22.85 1218.5 Vx Vn 7 15 81.40 58.10 0.00 18.75 1237.2 Vx Vn 7 16 83.70 59.20 0.00 20.45 1257.7 Vx Vn 7 17 88.10 58.00 0.00 22.05 1279.7 Vx Vn 7 18 80.80 61.50 0.00 20.15 1299.9 Vx Vn 7 19 80.00 60.50 0.00 19.25 1319.1 Vx Vn 7 20 87.40 61.10 0.00 23.25 1342.4 Vx Vn 7 21 95.20 56.90 0.00 24.23 1366.6 Vx Vn 7 22 83.00 64.60 0.00 22.80 1389.4 Vx Vn 7 23 84.10 59.50 0.00 20.80 1410.2 Vx Vn 7 24 90.40 55.10 0.00 21.73 1431.9 Vx Vn 7 25 96.90 60.00 0.00 26.16 1458.1 Vx Vn first crawlers second generation 7 26 95.90 72.40 0.00 31.86 1490.0 Vx Vn 7 27 95.20 69.40 0.00 30.29 1520.2 Vx Vn 7 28 99.40 68.80 0.00 30.81 1551.1 Vx Vn 7 29 101.70 70.20 0.00 31.80 1582.9 Vx Vn 7 30 94.70 71.80 0.00 31.33 1614.2 Vx Vn 7 31 86.90 62.40 0.00 23.65 1637.8 Vx Vn 8 1 90.90 57.00 0.00 22.89 1660.7 Vx Vn 8 2 78.60 62.60 0.00 19.60 1680.3 Vx Vn 8 3 84.00 54.30 0.00 18.15 1698.5 Vx Vn 8 4 92.90 55.00 0.00 22.61 1721.1 Vx Vn 8 5 94.20 62.30 0.00 26.59 1747.7 Vx Vn 8 6 87.80 63.70 0.00 24.75 1772.4 Vx Vn 8 7 82.70 61.30 0.00 21.00 1793.4 Vx Vn 8 8 76.50 53.60 0.00 14.05 1807.5 Vx Vn 8 9 74.60 57.00 0.00 14.80 1822.3 Vx Vn 8 10 84.30 56.00 0.00 19.15 1841.4 Vx Vn 8 11 90.30 57.60 0.00 22.94 1864.4 Vx Vn 8 12 95.70 61.30 0.00 26.50 1890.9 Vx Vn 8 13 97.70 65.40 0.00 28.91 1919.8 Vx Vn 8 14 95.60 69.90 0.00 30.61 1950.4 Vx Vn 8 15 96.00 63.90 0.00 27.83 1978.2 Vx Vn 8 16 95.70 64.90 0.00 28.24 2006.5 Vx Vn 8 17 95.10 63.90 0.00 27.61 2034.1 Vx Vn 8 18 96.70 65.80 0.00 28.90 2063.0 Vx Vn 8 19 90.60 64.00 0.00 26.26 2089.2 Vx Vn 8 20 94.40 55.40 0.00 23.27 2112.5 Vx Vn 8 21 94.10 66.80 0.00 28.77 2141.2 Vx Vn 8 22 79.60 56.90 0.00 17.25 2158.5 Vx Vn 8 23 82.80 54.60 0.00 17.70 2176.2 Vx Vn 8 24 87.00 53.90 0.00 19.45 2195.6 Vx Vn 8 25 89.50 53.00 0.00 20.25 2215.9 Vx Vn 8 26 91.50 56.30 0.00 22.77 2238.7 Vx Vn 8 27 90.80 68.80 0.00 28.74 2267.4 Vx Vn 8 28 89.20 60.30 0.00 23.75 2291.2 Vx Vn 8 29 94.40 57.70 0.00 24.40 2315.5 Vx Vn 8 30 82.20 62.60 0.00 21.40 2336.9 Vx Vn 8 31 83.20 59.40 0.00 20.30 2357.2 Vx Vn Forecast using: 10 yr Hist Avg MF25352 2006-2015
San Jose scale model - Rice etal
Location: 2016 MF25352 Davis Gawith Gala
DateDDsEvent
 5-24-16 306100 degree-days until first crawler
 6-1-16 412first crawler emergence
 6-10-16 615UC Davis rec. crawler treatment
 6-20-16 727first second instars
 6-30-16 942first pupae
 7-4-16 10351st male catch next generation
 7-5-16 1051first mating next generation
 7-25-16 1458first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)