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: wheat stem sawfly
Type: insect
Model source/other links: OSU OIPMC model summary, Vieira et al. 2025
Calculation method: single sine
Lower threshold: 50 degrees Fahrenheit
Upper threshold: 86 degrees Fahrenheit
Directions for starting/BIOFIX: calendar date
Starting/BIOFIX date: 1 1
No ending date, set to: default date 12 31
Model validation status: partly validated, needs testing in other states
Region of known use: Colorado
==============================EVENTS TABLE================================
1. 266 DDs after Jan. 1 first adult flight
2. 403 DDs after Jan. 1 peak adult flight
3. 637 DDs after Jan. 1 end of adult flight
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD50 CUMDD50 event
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