Online Phenology Models and Degree-day Calculator
immaturedamagepupaadult
orange tortrix (mild winter) [small fruit]
insect model of Knight (1988)


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: orange tortrix (mild winter) [small fruit] Type: insect Model source/other links: Knight (1988) Calculation method: single sine Lower threshold: 41 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: calendar date No starting/BIOFIX date, set to: default date 1 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 850 DDs after biofix: peak pheromone trap catch 2. 950 DDs after biofix: peak female adult emergence 3. 1000 DDs after biofix: peak egg laying 4. 1270 DDs after biofix: peak egg hatch 5. 2070 DDs after biofix: peak in density large larvae ==============================MODEL OUTPUT================================ Weather station: 2018 KBVS METAR BurlingtonMount Vernon WA Lat48.4706 Long:-122.4206 Elev:144 mn day max min precip DD41 CUMDD41 event -- --- ----- ----- ------ ---- ------- ------- 1 1 35.60 28.40 0.00 0.00 0.0 * START * 1 2 37.40 28.40 0.00 0.00 0.0 1 3 42.80 26.60 0.00 0.26 0.3 1 4 46.40 32.00 0.00 1.46 1.7 1 5 55.40 42.80 0.24 8.10 9.8 1 6 48.20 42.80 0.07 4.50 14.3 1 7 44.60 41.00 0.17 1.80 16.1 1 8 50.00 42.80 0.33 5.40 21.5 1 9 48.20 42.80 0.25 4.50 26.0 1 10 44.60 39.20 0.00 1.36 27.4 1 11 41.00 37.40 0.91 0.00 27.4 1 12 50.00 37.40 0.28 3.54 30.9 1 13 50.00 41.00 0.14 4.50 35.4 1 14 51.80 37.40 0.00 4.38 39.8 1 15 57.20 35.60 0.00 6.58 46.4 1 16 53.60 46.40 0.00 9.00 55.4 1 17 59.00 44.60 0.01 10.80 66.2 1 18 51.80 42.80 0.07 6.30 72.5 1 19 46.40 42.80 0.00 3.60 76.1 1 20 48.20 41.00 0.05 3.60 79.7 1 21 51.80 42.80 0.07 6.30 86.0 1 22 48.20 39.20 0.03 3.05 89.0 1 23 46.40 39.20 0.36 2.19 91.2 1 24 50.00 42.80 0.00 5.40 96.6 1 25 44.60 37.40 0.08 1.15 97.8 1 26 42.80 39.20 0.04 0.57 98.3 1 27 50.00 39.20 0.06 3.92 102.3 1 28 55.40 42.80 0.03 8.10 110.4 1 29 55.40 41.00 0.42 7.20 117.6 1 30 48.20 37.40 0.02 2.72 120.3 1 31 44.60 39.20 0.04 1.36 121.6 2 1 44.60 41.00 0.19 1.80 123.4 2 2 53.60 42.80 0.14 7.20 130.6 2 3 50.00 48.20 0.26 8.10 138.7 2 4 51.80 46.40 0.12 8.10 146.8 2 5 50.00 44.60 0.08 6.30 153.1 2 6 48.20 44.60 0.04 5.40 158.5 2 7 51.80 44.60 0.03 7.20 165.7 2 8 53.60 42.80 0.02 7.20 172.9 2 9 46.40 33.80 0.00 1.58 174.5 2 10 42.80 28.40 0.00 0.27 174.8 2 11 42.80 30.20 0.00 0.29 175.1 2 12 42.80 28.40 0.00 0.27 175.3 2 13 42.80 26.60 0.07 0.26 175.6 2 14 41.00 33.80 0.26 0.00 175.6 2 15 44.60 33.80 0.00 0.92 176.5 2 16 44.60 39.20 0.20 1.36 177.9 2 17 48.20 39.20 0.51 3.05 180.9 2 18 41.00 26.60 0.00 0.00 180.9 2 19 35.60 23.00 0.00 0.00 180.9 2 20 37.40 24.80 0.00 0.00 180.9 2 21 33.80 24.80 0.00 0.00 180.9 2 22 39.20 21.20 0.00 0.00 180.9 2 23 35.60 23.00 0.00 0.00 180.9 2 24 42.80 32.00 0.12 0.32 181.2 2 25 44.60 32.00 0.02 0.84 182.1 2 26 46.40 30.20 0.00 1.37 183.5 2 27 48.20 39.20 0.00 3.05 186.5 2 28 46.40 37.40 0.00 1.91 188.4 3 1 50.00 37.40 0.06 3.54 192.0 3 2 42.80 37.40 0.00 0.46 192.4 3 3 46.40 33.80 0.00 1.58 194.0 3 4 48.20 32.00 0.10 2.14 196.1 3 5 46.40 35.60 0.00 1.72 197.9 3 6 50.00 33.80 0.00 3.04 200.9 3 7 48.20 32.00 0.00 2.14 203.0 3 8 50.00 41.00 0.15 4.50 207.5 3 9 50.00 37.40 0.00 3.54 211.1 3 10 53.60 33.80 0.00 4.62 215.7 3 11 59.00 39.20 0.00 8.33 224.0 3 12 68.00 44.60 0.00 15.30 239.3 3 13 62.60 44.60 0.16 12.60 251.9 3 14 48.20 39.20 0.13 3.05 255.0 3 15 51.80 35.60 0.00 4.07 259.1 3 16 53.60 35.60 0.00 4.90 264.0 3 17 51.80 32.00 0.00 3.61 267.6 3 18 53.60 41.00 0.00 6.30 273.9 3 19 53.60 35.60 0.00 4.90 278.8 3 20 51.80 37.40 0.00 4.38 283.2 3 21 59.00 37.40 0.00 7.83 291.0 3 22 50.00 33.80 0.63 3.04 294.0 3 23 46.40 37.40 0.00 1.91 295.9 3 24 48.20 35.60 0.06 2.48 298.4 3 25 51.80 30.20 0.00 3.44 301.9 3 26 44.60 41.00 0.29 1.80 303.7 3 27 55.40 41.00 0.20 7.20 310.9 3 28 51.80 39.20 0.00 4.79 315.7 3 29 46.40 41.00 0.08 2.70 318.4 3 30 57.20 41.00 0.00 8.10 326.5 3 31 55.40 37.40 0.00 6.10 332.5 4 1 50.00 33.80 0.15 3.04 335.6 4 2 50.00 33.80 0.00 3.04 338.6 4 3 50.00 39.20 0.08 3.92 342.6 4 4 46.40 41.00 0.20 2.70 345.3 4 5 53.60 42.80 0.47 7.20 352.5 4 6 64.40 50.00 0.00 16.20 368.7 4 7 57.20 50.00 0.13 12.60 381.3 4 8 53.60 48.20 0.09 9.90 391.2 4 9 59.00 42.80 0.06 9.90 401.1 4 10 57.20 46.40 0.14 10.80 411.9 4 11 55.40 42.80 0.03 8.10 420.0 4 12 51.80 39.20 0.01 4.79 424.7 4 13 53.60 44.60 0.01 8.10 432.8 4 14 51.80 42.80 0.47 6.30 439.1 4 15 51.80 41.00 0.07 5.40 444.5 4 16 46.40 41.00 0.57 2.70 447.2 4 17 53.60 44.60 0.11 8.10 455.3 4 18 55.40 41.00 0.00 7.20 462.5 4 19 59.00 37.40 0.00 7.83 470.4 4 20 59.00 41.00 0.00 9.00 479.4 4 21 55.40 42.80 0.02 8.10 487.5 4 22 55.40 37.40 0.00 6.10 493.6 4 23 62.60 39.20 0.00 10.11 503.7 4 24 66.20 44.60 0.00 14.40 518.1 4 25 64.40 44.60 0.00 13.50 531.6 4 26 69.80 44.60 0.00 16.20 547.8 4 27 59.00 44.60 0.00 10.80 558.6 4 28 53.60 46.40 0.22 9.00 567.6 4 29 57.20 46.40 0.00 10.80 578.4 4 30 57.20 48.20 0.06 11.70 590.1 5 1 60.80 44.60 0.00 11.70 601.8 5 2 66.20 42.80 0.00 13.50 615.3 5 3 71.60 46.40 0.00 18.00 633.3 5 4 60.80 48.20 0.00 13.50 646.8 5 5 64.40 42.80 0.00 12.60 659.4 5 6 73.40 51.80 0.00 21.60 681.0 5 7 66.20 50.00 0.00 17.10 698.1 5 8 69.80 44.60 0.04 16.20 714.3 5 9 68.00 51.80 0.03 18.90 733.2 5 10 60.80 48.20 0.25 13.50 746.7 5 11 66.20 48.20 0.00 16.20 762.9 5 12 68.00 44.60 0.00 15.30 778.2 5 13 73.40 50.00 0.00 20.70 798.9 5 14 78.80 53.60 0.00 25.20 824.1 5 15 69.80 50.00 0.00 18.90 843.0 5 16 66.20 50.00 0.00 17.10 860.1 peak pheromone trap catch 5 17 64.40 51.80 0.00 17.10 877.2 5 18 64.40 50.00 0.00 16.20 893.4 5 19 69.80 51.80 0.00 19.80 913.2 5 20 62.60 50.00 0.00 15.30 928.5 5 21 66.20 44.60 0.00 14.40 942.9 5 22 71.60 44.60 0.00 17.10 960.0 peak female adult emergence 5 23 71.60 48.20 0.00 18.90 978.9 5 24 64.40 50.00 0.02 16.20 995.1 5 25 64.40 48.20 0.00 15.30 1010.4 peak egg laying 5 26 64.40 46.40 0.00 14.40 1024.8 5 27 68.00 44.60 0.00 15.30 1040.1 5 28 66.20 48.20 0.00 16.20 1056.3 5 29 62.60 44.60 0.00 12.60 1068.9 5 30 62.60 44.60 0.00 12.60 1081.5 5 31 62.60 44.60 0.00 12.60 1094.1 6 1 64.40 50.00 0.00 16.20 1110.3 6 2 69.80 50.00 0.00 18.90 1129.2 6 3 53.60 50.00 0.31 10.80 1140.0 6 4 62.60 44.60 0.00 12.60 1152.6 6 5 66.20 46.40 0.00 15.30 1167.9 6 6 68.00 44.60 0.00 15.30 1183.2 6 7 64.40 51.80 0.00 17.10 1200.3 6 8 62.60 51.80 0.16 16.20 1216.5 6 9 60.80 50.00 0.03 14.40 1230.9 6 10 59.00 46.40 0.08 11.70 1242.6 6 11 64.40 44.60 0.00 13.50 1256.1 6 12 64.40 44.60 0.00 13.50 1269.6 6 13 64.40 51.80 0.07 17.10 1286.7 peak egg hatch 6 14 66.20 44.60 0.00 14.40 1301.1 6 15 68.00 44.60 0.00 15.30 1316.4 6 16 73.40 53.60 0.00 22.50 1338.9 6 17 77.00 55.40 0.00 25.20 1364.1 6 18 84.20 55.40 0.00 28.80 1392.9 6 19 77.00 55.40 0.00 25.20 1418.1 6 20 80.60 53.60 0.00 26.10 1444.2 6 21 69.80 53.60 0.00 20.70 1464.9 6 22 68.00 51.80 0.00 18.90 1483.8 6 23 71.60 51.80 0.00 20.70 1504.5 6 24 71.60 48.20 0.04 18.90 1523.4 6 25 64.40 53.60 0.24 18.00 1541.4 6 26 70.70 50.00 0.00 19.35 1560.7 Px 6 27 69.30 45.10 0.00 16.20 1576.9 Px Pn 6 28 63.90 51.30 0.00 16.60 1593.5 Px Pn 6 29 64.40 54.80 0.01 18.60 1612.1 Pn 6 30 59.00 53.60 0.18 15.30 1627.4 7 1 66.20 53.60 0.00 18.90 1646.3 7 2 66.20 51.80 0.00 18.00 1664.3 7 3 71.60 46.40 0.00 18.00 1682.3 7 4 73.40 50.00 0.00 20.70 1703.0 7 5 80.60 57.20 0.00 27.90 1730.9 7 6 78.80 55.40 0.00 26.10 1757.0 7 7 73.40 55.40 0.00 23.40 1780.4 7 8 73.40 50.00 0.00 20.70 1801.1 7 9 68.00 55.40 0.00 20.70 1821.8 7 10 71.60 53.60 0.02 21.60 1843.4 7 11 75.20 51.80 0.00 22.50 1865.9 7 12 78.80 51.80 0.00 24.30 1890.2 7 13 77.00 55.40 0.00 25.20 1915.4 7 14 77.00 53.60 0.00 24.30 1939.7 7 15 82.40 53.60 0.00 27.00 1966.7 7 16 82.40 53.60 0.00 27.00 1993.7 7 17 84.20 55.40 0.00 28.80 2022.5 7 18 73.40 53.60 0.00 22.50 2045.0 7 19 69.80 55.40 0.00 21.60 2066.6 7 20 71.60 51.80 0.00 20.70 2087.3 peak in density large larvae 7 21 73.40 48.20 0.00 19.80 2107.1 7 22 78.80 50.00 0.00 23.40 2130.5 7 23 82.40 55.40 0.00 27.90 2158.4 7 24 82.40 50.00 0.00 25.20 2183.6 7 25 86.00 50.00 0.00 27.00 2210.6 7 26 86.00 51.80 0.00 27.90 2238.5 7 27 80.60 53.60 0.00 26.10 2264.6 7 28 80.60 53.60 0.00 26.10 2290.7 7 29 86.00 51.80 0.00 27.90 2318.6 7 30 84.20 59.00 0.00 30.60 2349.2 7 31 73.40 53.60 0.00 22.50 2371.7 8 1 73.40 53.60 0.00 22.50 2394.2 8 2 68.00 51.80 0.00 18.90 2413.1 8 3 71.60 55.40 0.00 22.50 2435.6 8 4 77.00 51.80 0.00 23.40 2459.0 8 5 80.60 53.60 0.00 26.10 2485.1 8 6 80.60 53.60 0.00 26.10 2511.2 8 7 84.20 51.80 0.00 27.00 2538.2 8 8 86.50 53.60 0.00 29.05 2567.3 Px 8 9 85.20 56.00 0.00 29.60 2596.9 Px Pn 8 10 84.10 51.70 0.00 26.90 2623.8 Px Pn 8 11 71.50 57.30 0.00 23.40 2647.2 Px Pn 8 12 71.20 53.80 0.00 21.50 2668.7 Px Pn 8 13 70.50 49.30 0.00 18.90 2687.6 Px Pn 8 14 78.80 51.10 0.00 23.95 2711.5 Pn 8 15 82.40 51.80 0.00 26.10 2737.6 8 16 73.40 51.80 0.00 21.60 2759.2 8 17 73.40 50.00 0.00 20.70 2779.9 8 18 73.40 50.00 0.00 20.70 2800.6 8 19 71.60 53.60 0.00 21.60 2822.2 8 20 77.00 50.00 0.00 22.50 2844.7 8 21 84.20 55.40 0.00 28.80 2873.5 8 22 84.20 53.60 0.00 27.90 2901.4 8 23 69.80 51.80 0.00 19.80 2921.2 8 24 71.60 51.80 0.00 20.70 2941.9 8 25 59.00 50.00 0.00 13.50 2955.4 8 26 66.20 53.60 0.01 18.90 2974.3 8 27 74.50 51.80 0.00 22.15 2996.5 Px 8 28 77.60 47.60 0.00 21.60 3018.1 Px Pn 8 29 68.90 49.50 0.00 18.20 3036.3 Px Pn 8 30 73.40 52.00 0.00 21.70 3058.0 Pn 8 31 68.00 53.60 0.00 19.80 3077.8 9 1 69.80 51.80 0.00 19.80 3097.6 9 2 71.60 46.40 0.00 18.00 3115.6 9 3 69.80 51.80 0.00 19.80 3135.4 9 4 69.80 44.60 0.00 16.20 3151.6 9 5 75.20 46.40 0.00 19.80 3171.4 9 6 80.60 50.00 0.00 24.30 3195.7 9 7 68.00 50.00 0.07 18.00 3213.7 9 8 66.20 53.60 0.07 18.90 3232.6 9 9 68.00 53.60 0.22 19.80 3252.4 9 10 69.80 53.60 0.00 20.70 3273.1 9 11 68.00 50.00 0.05 18.00 3291.1 9 12 66.20 55.40 0.44 19.80 3310.9 9 13 68.00 53.60 0.00 19.80 3330.7 9 14 62.60 53.60 0.01 17.10 3347.8 9 15 64.40 51.80 0.00 17.10 3364.9 9 16 62.60 50.00 0.17 15.30 3380.2 9 17 64.40 44.60 0.00 13.50 3393.7 9 18 62.60 41.00 0.00 10.80 3404.5 9 19 68.00 44.60 0.00 15.30 3419.8 9 20 62.60 51.80 0.00 16.20 3436.0 9 21 66.20 60.80 0.04 22.50 3458.5 9 22 64.40 53.60 0.01 18.00 3476.5 9 23 64.40 48.20 0.00 15.30 3491.8 9 24 64.40 44.60 0.00 13.50 3505.3 9 25 62.60 44.60 0.00 12.60 3517.9 9 26 64.40 48.20 0.00 15.30 3533.2 9 27 62.60 46.40 0.00 13.50 3546.7 9 28 73.40 46.40 0.00 18.90 3565.6 9 29 69.80 50.00 0.00 18.90 3584.5 9 30 62.60 53.60 0.04 17.10 3601.6 10 1 62.60 57.20 0.00 18.90 3620.5 10 2 57.20 42.80 0.01 9.00 3629.5 10 3 53.60 37.40 0.00 5.24 3634.7 10 4 57.20 37.40 0.00 6.96 3641.7 10 5 55.40 41.00 0.02 7.20 3648.9 10 6 59.00 39.20 0.00 8.33 3657.2 10 7 55.40 46.40 0.04 9.90 3667.1 10 8 55.40 50.00 0.03 11.70 3678.8 10 9 60.80 48.20 0.03 13.50 3692.3 10 10 60.80 42.80 0.00 10.80 3703.1 10 11 62.60 41.00 0.00 10.80 3713.9 10 12 59.00 42.80 0.00 9.90 3723.8 10 13 60.80 33.80 0.00 7.92 3731.8 10 14 62.60 37.40 0.00 9.59 3741.3 10 15 60.80 35.60 0.00 8.29 3749.6 10 16 64.40 42.80 0.00 12.60 3762.2 10 17 68.00 41.00 0.00 13.50 3775.7 10 18 66.20 41.00 0.00 12.60 3788.3 10 19 60.80 41.00 0.00 9.90 3798.2 10 20 59.00 39.20 0.00 8.33 3806.6 10 21 62.60 39.20 0.00 10.11 3816.7 10 22 62.60 39.20 0.00 10.11 3826.8 10 23 57.20 39.20 0.00 7.44 3834.2 10 24 62.60 44.60 0.00 12.60 3846.8 10 25 60.80 55.40 0.00 17.10 3863.9 10 26 59.00 42.80 0.01 9.90 3873.8 10 27 59.00 39.20 0.00 8.33 3882.2 10 28 59.00 48.20 0.77 12.60 3894.8 10 29 57.20 42.80 0.00 9.00 3903.8 10 30 59.00 44.60 0.12 10.80 3914.6 10 31 55.40 48.20 0.10 10.80 3925.4 11 1 60.80 53.60 1.04 16.20 3941.6 11 2 62.60 50.00 0.44 15.30 3956.9 11 3 55.40 50.00 0.22 11.70 3968.6 11 4 60.80 48.20 0.23 13.50 3982.1 11 5 55.40 48.20 0.06 10.80 3992.9 11 6 55.40 42.80 0.00 8.10 4001.0 11 7 53.60 39.20 0.00 5.67 4006.6 11 8 51.80 33.80 0.00 3.82 4010.5 11 9 42.80 32.00 0.28 0.32 4010.8 11 10 51.80 35.60 0.01 4.07 4014.8 11 11 50.00 32.00 0.00 2.86 4017.7 11 12 53.60 35.60 0.00 4.90 4022.6 11 13 55.40 35.60 0.08 5.73 4028.3 11 14 55.40 46.40 0.09 9.90 4038.2 11 15 53.60 46.40 0.06 9.00 4047.2 11 16 59.00 39.20 0.04 8.33 4055.6 11 17 51.80 33.80 0.00 3.82 4059.4 11 18 51.80 32.00 0.00 3.61 4063.0 11 19 53.60 32.00 0.00 4.39 4067.4 11 20 55.40 32.00 0.00 5.17 4072.6 11 21 55.40 41.00 0.09 7.20 4079.8 11 22 55.40 46.40 0.35 9.90 4089.7 11 23 48.20 42.80 0.03 4.50 4094.2 11 24 50.00 41.00 0.00 4.50 4098.7 11 25 51.80 39.20 0.00 4.79 4103.5 11 26 59.00 46.40 0.02 11.70 4115.2 11 27 60.80 50.00 0.01 14.40 4129.6 11 28 53.60 46.40 0.05 9.00 4138.6 11 29 51.80 42.80 0.00 6.30 4144.9 11 30 50.00 44.60 0.01 6.30 4151.2 12 1 48.20 35.60 0.00 2.48 4153.6 12 2 48.20 33.80 0.00 2.29 4155.9 12 3 46.40 28.40 0.00 1.30 4157.2 12 4 44.60 24.80 0.00 0.66 4157.9 12 5 44.60 23.00 0.00 0.63 4158.5 12 6 42.80 23.00 0.00 0.23 4158.8 12 7 44.60 24.80 0.00 0.66 4159.4 12 8 46.40 33.80 0.00 1.58 4161.0 12 9 51.80 35.60 0.04 4.07 4165.1
DD accumulation on 12-9-18: 4165QA 96% ok    
  
This year is about  versus  QA
 DDs exceed full year 2017 ok
 50 days behind 2016 ok
 DDs exceed full year 30-yr normals ok
Forecast using:  Fox - IPPC forecast for KBVS data
 12 10  46.40 42.20  0.07   3.30   4168.4  0.068_0.00%_precip.    
 12 11  51.70 42.50  0.92   6.10   4174.5  0.92_0.16%_precip.    
 12 12  47.10 42.10  0.19   3.60   4178.1  0.188_0.00%_precip.    
 12 13  43.30 41.30  0.72   1.30   4179.4  0.718_0.00%_precip.    
 12 14  44.00 37.20  1.20   0.89   4180.3  1.199_0.00%_precip.    
Forecast using: 10 yr Hist Avg KBVS 2006-2015
 12 15  45.30 34.30  0.11   1.19   4181.4  *hist_fcst*    
 12 16  44.80 35.00  0.08   1.05   4182.5  *hist_fcst*    
 12 17  45.50 35.30  0.05   1.33   4183.8  *hist_fcst*    
 12 18  44.80 34.90  0.18   1.04   4184.9  *hist_fcst*    
 12 19  45.20 35.30  0.09   1.22   4186.1  *hist_fcst*    
 12 20  43.50 35.40  0.09   0.61   4186.7  *hist_fcst*    
 12 21  45.40 35.80  0.11   1.33   4188.0  *hist_fcst*    
 12 22  45.50 35.40  0.17   1.34   4189.4  *hist_fcst*    
 12 23  44.70 35.70  0.12   1.06   4190.4  *hist_fcst*    
 12 24  45.40 37.00  0.18   1.44   4191.9  *hist_fcst*    
 12 25  45.40 36.30  0.08   1.37   4193.2  *hist_fcst*    
 12 26  44.90 34.50  0.05   1.06   4194.3  *hist_fcst*    
 12 27  44.60 34.60  0.10   0.95   4195.3  *hist_fcst*    
 12 28  44.60 35.80  0.17   1.02   4196.3  *hist_fcst*    
 12 29  44.30 35.20  0.04   0.88   4197.2  *hist_fcst*    
 12 30  42.90 32.50  0.06   0.35   4197.5  *hist_fcst*    
 12 31  41.20 32.00  0.03   0.01   4197.5  *hist_fcst*    
orange tortrix (mild winter) model - Knight
Location: 2018 KBVS BurlingtonMount Vernon WA
DD accumulation on 12-9-18: 4165 QA 96% ok  - show details 
  
This year is about  versus  QA
 DDs exceed full year 2017 ok
 50 days behind 2016 ok
 DDs exceed full year 30-yr normals ok
DateDDsEvent
 5-16-18 860peak pheromone trap catch
 5-22-18 960peak female adult emergence
 5-25-18 1010peak egg laying
 6-13-18 1287peak egg hatch
 7-20-18 2087peak in density large larvae
degree-day graph of orange tortrix (mild winter) [small fruit] Knight (1988)