Online Phenology Models and Degree-day Calculator
immaturedamageadult
filbertworm [hazelnut]
insect model of Aliniazee (1983)


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: filbertworm [hazelnut] Type: insect Model source/other links: Aliniazee (1983) Calculation method: single sine Lower threshold: 50 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 4 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 580 DDs after biofix: Earliest first moth emergence 2. 610 DDs after biofix: Average first moth emergence 3. 815 DDs after biofix: First eggs laid 4. 955 DDs after biofix: First eggs hatch 5. 1022 DDs after biofix: First larvae found in nuts 6. 1158 DDs after biofix: Earliest peak moth emergence 7. 1188 DDs after biofix: Average peak moth emergence 8. 1217 DDs after biofix: Latest peak moth emergence 9. 1393 DDs after biofix: Approximate peak egg laying 10. 1533 DDs after biofix: Approximate peak egg hatch ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD50 CUMDD50 event -- --- ----- ----- ------ ---- ------- -------