Online Phenology Models and Degree-day Calculator
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codling moth [apple & pear]
insect model of Brunner and Hoyt (1987)


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: codling moth [apple & pear] Type: insect Model source/other links: Brunner and Hoyt (1987) Calculation method: single sine Lower threshold: 50 degrees Fahrenheit Upper threshold: 88 degrees Fahrenheit Directions for starting/BIOFIX: first consistent capture of moths in pheromone traps Starting/BIOFIX date: 4 1 Ending date: 10 31 Model validation status: Fully tested and in use Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 250 DDs after biofix: 1ST GENERATION, 3% EGG HATCH 2. 360 DDs after biofix: 1ST GENERATION, 20% EGG HATCH 3. 484 DDs after biofix: 1ST GENERATION, 50% EGG HATCH 4. 610 DDs after biofix: 1ST GENERATION, 75% EGG HATCH 5. 800 DDs after biofix: 1ST GENERATION, 95% EGG HATCH 6. 1000 DDs after biofix: 2ND GENERATION, 5% ADULT EMERGENCE 7. 1260 DDs after biofix: 2ND GENERATION, 7% EGG HATCH 8. 1460 DDs after biofix: 2ND GENERATION, 30% EGG HATCH 9. 1580 DDs after biofix: 2ND GENERATION, 50% EGG HATCH 10. 1750 DDs after biofix: 2ND GENERATION, 75% EGG HATCH 11. 2100 DDs after biofix: 2ND GENERATION, 99% EGG HATCH 12. 2220 DDs after biofix: 3RD GENERATION, 3% EGG HATCH 13. 2430 DDs after biofix: 3RD GENERATION, 20% EGG HATCH 14. 2620 DDs after biofix: 3RD GENERATION, 50% EGG HATCH ==============================MODEL OUTPUT================================
Bad/missing weather station. Please use the back button and select another. Forecast using: 10 yr Hist Avg MF22754 2006-2015
codling moth model - Brunner and Hoyt
Location: 5-16-17 257 1ST GENERATION, 3% EGG HATCH
DateDDsEvent
 6-13-17 6241ST GENERATION, 75% EGG HATCH
 6-24-17 8111ST GENERATION, 95% EGG HATCH
 7-4-17 10092ND GENERATION, 5% ADULT EMERGENCE
 7-16-17 12842ND GENERATION, 7% EGG HATCH
 7-24-17 14812ND GENERATION, 30% EGG HATCH
 7-28-17 15812ND GENERATION, 50% EGG HATCH
 8-4-17 17572ND GENERATION, 75% EGG HATCH
 8-19-17 21122ND GENERATION, 99% EGG HATCH
 8-25-17 22403RD GENERATION, 3% EGG HATCH
 9-4-17 24323RD GENERATION, 20% EGG HATCH
 9-16-17 26213RD GENERATION, 50% EGG HATCH
degree-day graph of codling moth [apple & pear] Brunner and Hoyt (1987)