Online Phenology Models and Degree-day Calculator
eggsimmaturepupaadult
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================================ Extended Seasonal Forecast: NOAA NMME 7-month 1910 MF22754 PRISM_rev1_4km 2012-2021
codling moth model - Brunner and Hoyt 1987
Location: 5-14-22 256 1st generation, 3% egg hatch
Extended Seasonal Forecast: NOAA NMME
DateDDsEvent
 6-11-22 6181st generation, 75% egg hatch
 6-23-22 8021st generation, 95% egg hatch
 7-3-22 10212nd generation, 5% adult emergence
 7-14-22 12792nd generation, 7% egg hatch
 7-22-22 14682nd generation, 30% egg hatch
 7-27-22 15832nd generation, 50% egg hatch
 8-3-22 17632nd generation, 75% egg hatch
 8-17-22 21052nd generation, 99% egg hatch
 8-22-22 22203rd generation, 3% egg hatch
 9-2-22 24343rd generation, 20% egg hatch
 9-14-22 26333rd generation, 50% egg hatch
degree-day graph of codling moth [apple & pear] Brunner and Hoyt 1987