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 C1244 APRSWXNET Pendleton CW1244 OR Lat45.6733 Long:-118.8069 Elev:1145 mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- ------- 4 25 66.00 40.00 0.00 5.19 5.2 * START * 4 26 69.00 44.00 0.03 7.12 12.3 4 27 63.00 46.00 0.01 4.69 17.0 4 28 71.00 51.00 0.01 10.00 27.0 4 29 58.00 50.00 0.00 3.15 30.1 4 30 67.00 47.00 0.00 6.78 36.9 5 1 77.00 39.00 0.00 9.96 46.9 5 2 84.00 43.00 0.00 14.03 60.9 5 3 88.00 49.00 0.00 17.69 78.6 5 4 79.00 55.00 0.14 16.00 94.6 5 5 72.00 53.00 0.01 11.50 106.1 5 6 76.00 53.00 0.01 13.50 119.6 5 7 84.00 53.00 0.00 17.50 137.1 5 8 75.00 53.00 0.00 13.00 150.1 5 9 67.00 47.00 0.00 6.78 156.9 5 10 74.00 39.00 0.00 8.60 165.5 5 11 86.00 41.00 0.00 14.55 180.0 5 12 88.00 48.00 0.00 17.35 197.4 5 13 83.00 46.00 0.19 14.29 211.7 5 14 67.00 53.00 0.34 9.00 220.7 5 15 58.00 53.00 0.29 4.50 225.2 5 16 72.00 52.00 0.22 11.00 236.2 5 17 80.00 47.00 0.00 13.10 249.3 5 18 84.00 53.00 0.07 17.50 266.8 5 19 67.00 48.00 0.00 7.01 273.8 5 20 60.00 39.00 0.04 2.63 276.4 5 21 60.00 43.00 0.52 2.96 279.4 5 22 68.00 52.00 0.00 9.00 288.4 5 23 71.00 47.00 0.00 8.70 297.1 5 24 75.00 46.00 0.00 10.40 307.5 100 degree-days until first crawler 5 25 79.00 46.00 0.00 12.34 319.8 5 26 70.00 49.00 0.00 8.76 328.6 5 27 68.00 50.00 0.00 8.10 336.7 5 28 78.00 48.00 0.00 12.41 349.1 5 29 78.00 51.00 0.00 13.50 362.6 5 30 79.00 50.00 0.00 13.58 376.2 5 31 85.00 43.00 0.00 14.51 390.7 6 1 89.00 50.00 0.01 18.57 409.2 first crawler emergence 6 2 80.00 62.00 0.01 20.00 429.2 6 3 90.00 56.00 0.00 22.00 451.2 6 4 95.00 52.00 0.00 21.77 473.0 6 5 99.00 58.00 0.00 25.67 498.7 6 6 104.00 60.00 0.00 27.53 526.2 6 7 103.00 61.00 0.00 27.82 554.0 6 8 83.00 63.00 0.10 22.00 576.0 6 9 83.00 56.00 0.25 18.50 594.5 6 10 73.00 53.00 0.25 12.00 606.5 UC Davis rec. crawler treatment 6 11 75.00 47.00 0.00 10.65 617.2 6 12 84.00 43.00 0.00 14.03 631.2 6 13 73.00 51.00 0.00 11.00 642.2 6 14 70.00 50.00 0.00 9.10 651.3 6 15 67.00 43.00 0.01 6.03 657.3 6 16 72.00 48.00 0.01 9.46 666.8 6 17 76.00 46.00 0.58 10.88 677.7 6 18 68.00 51.00 0.01 8.50 686.2 6 19 75.00 43.00 0.00 9.74 695.9 6 20 85.00 48.00 0.00 15.87 711.8 6 21 85.00 57.00 0.00 20.00 731.8 first second instars 6 22 90.00 48.00 0.00 18.34 750.1 6 23 83.00 59.00 0.01 20.00 770.1 6 24 73.00 55.00 0.01 13.00 783.1 6 25 86.00 47.00 0.00 16.05 799.2 6 26 91.00 50.00 0.00 19.50 818.7 6 27 98.00 55.00 0.00 24.01 842.7 6 28 99.00 59.00 0.00 26.14 868.8 6 29 98.00 59.00 0.00 25.93 894.8 6 30 94.00 59.00 0.00 24.92 919.7 7 1 88.80 54.00 0.00 20.40 940.1 Vx first pupae 7 2 90.50 58.30 0.00 23.37 963.4 Vx Vn 7 3 84.40 65.80 0.00 24.10 987.5 Vx Vn 7 4 81.00 57.00 0.00 18.00 1005.5 Vx Vn 7 5 78.30 52.60 0.00 14.45 1020.0 Vx Vn 7 6 85.00 57.00 0.00 20.00 1040.0 1st male catch next generation 7 7 82.00 53.00 0.17 16.50 1056.5 first mating next generation 7 8 80.00 60.00 0.88 19.00 1075.5 7 9 78.00 58.00 0.25 17.00 1092.5 7 10 74.00 58.00 0.00 15.00 1107.5 7 11 85.00 57.00 0.08 20.00 1127.5 7 12 82.00 54.00 0.08 17.00 1144.5 7 13 88.00 56.00 0.00 21.00 1165.5 7 14 94.00 53.00 0.00 21.96 1187.5 7 15 85.00 58.00 0.00 20.50 1208.0 7 16 87.00 54.00 0.00 19.50 1227.5 7 17 91.00 55.00 0.00 21.93 1249.4 7 18 84.00 62.00 0.00 22.00 1271.4 7 19 82.00 58.00 0.00 19.00 1290.4 7 20 92.00 60.00 0.00 24.79 1315.2 7 21 98.00 56.00 0.00 24.49 1339.7 7 22 85.00 65.00 0.00 24.00 1363.7 7 23 89.00 54.00 0.00 20.50 1384.2 7 24 96.00 52.00 0.00 22.05 1406.2 7 25 102.00 57.00 0.00 25.79 1432.0 7 26 98.00 61.00 0.00 26.88 1458.9 first crawlers second generation 7 27 99.00 59.00 0.00 26.14 1485.0 7 28 102.00 61.00 0.00 27.66 1512.7 7 29 104.00 63.00 0.00 28.89 1541.6 7 30 96.00 68.00 0.00 29.79 1571.4 7 31 87.00 54.00 0.00 19.50 1590.9 8 1 92.00 51.00 0.00 20.31 1611.2 8 2 79.00 57.00 0.00 17.00 1628.2 8 3 87.00 53.00 0.00 19.00 1647.2 8 4 95.00 51.00 0.00 21.28 1668.5 8 5 96.00 55.00 0.00 23.51 1692.0 8 6 90.00 61.00 0.00 24.50 1716.5 8 7 83.00 54.00 0.00 17.50 1734.0 8 8 76.00 53.00 0.13 13.50 1747.5 8 9 78.00 56.00 0.04 16.00 1763.5 8 10 86.00 51.00 0.00 17.50 1781.0 8 11 93.00 52.00 0.00 21.15 1802.1 8 12 97.00 54.00 0.00 23.28 1825.4 8 13 99.00 57.00 0.00 25.19 1850.6 8 14 99.00 59.00 0.00 26.14 1876.7 8 15 99.00 56.00 0.00 24.71 1901.5 8 16 98.00 54.00 0.00 23.52 1925.0 8 17 99.00 56.00 0.00 24.71 1949.7 8 18 99.00 58.00 0.00 25.67 1975.4 8 19 93.00 55.00 0.00 22.64 1998.0 8 20 99.00 52.00 0.00 22.79 2020.8 8 21 95.00 56.00 0.00 23.73 2044.5 8 22 76.00 55.00 0.00 14.50 2059.0 8 23 86.00 45.00 0.00 15.49 2074.5 8 24 86.00 49.00 0.00 16.70 2091.2 8 25 90.00 50.00 0.00 19.07 2110.3 8 26 93.00 49.00 0.00 19.85 2130.1 8 27 91.00 57.00 0.00 22.93 2153.1 8 28 91.00 60.00 0.00 24.42 2177.5 8 29 94.00 55.00 0.00 22.95 2200.4 8 30 78.00 61.00 0.00 18.50 2218.9 8 31 86.00 48.00 0.00 16.36 2235.3 Forecast using: 10 yr Hist Avg C1244 2006-2015
San Jose scale model - Rice etal
Location: 2016 C1244 Pendleton CW1244 OR
DateDDsEvent
 5-24-16 307100 degree-days until first crawler
 6-1-16 409first crawler emergence
 6-10-16 607UC Davis rec. crawler treatment
 6-21-16 732first second instars
 7-1-16 940first pupae
 7-6-16 10401st male catch next generation
 7-7-16 1056first mating next generation
 7-26-16 1459first crawlers second generation
degree-day graph of San Jose scale [tree fruits] Rice etal (1982)