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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: obliquebanded leafroller [tree fruits]
Type: insect
Model source/other links: Brunner et al 1997
Calculation method: single sine
Lower threshold: 43 degrees Fahrenheit
Upper threshold: 85 degrees Fahrenheit
Directions for starting/BIOFIX: first catch of moths in pheromone traps
Starting/BIOFIX date: 5 20
Ending date: 8 31
Model validation status: not fully tested
Region of known use: Pacific Northwest
==============================EVENTS TABLE================================
1. 140 DD after 1st catch: 50% catch
2. 440 DD after 1st catch: 95% catch, 1% egg hatch
3. 585 DD after 1st catch: 98% catch, 50% egg hatch
4. 780 DD after 1st catch: 95% egg hatch
5. 900 DD after 1st catch: Mostly small larvae present
6. 1200 DD after 1st catch: Mostly large larvae present
7. 1480 DD after 1st catch: 5% catch next generation
8. 1890 DD after 1st catch: 50% catch, 1% egg hatch
9. 2050 DD after 1st catch: 68% catch, 25% egg hatch
10. 2170 DD after 1st catch: 79% catch, 50% egg hatch
11. 2530 DD after 1st catch: 95% catch, 95% egg hatch
==============================MODEL OUTPUT================================
Extended Seasonal Forecast: NOAA NMME 7-month 1910 MF22754 PRISM_rev1_4km 2012-2021
obliquebanded leafroller model - Brunner et al 1997 Extended Seasonal Forecast: NOAA NMME