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: strawberry root weevil [peppermint]
Type: insect
Model source/other links: Cacka 1982
Calculation method: single sine
Lower threshold: 48 degrees Fahrenheit
Upper threshold: 103 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
Region of known use: Pacific Northwest
==============================EVENTS TABLE================================
1. 225 DDs after biofix: Overwintering larvae out of diapause
2. 375 DDs after biofix: Pupal development begins
3. 500 DDs after biofix: Teneral adult development begins
4. 700 DDs after biofix: Peak adult emergence
5. 950 DDs after biofix: Peak egglaying
6. 1200 DDs after biofix: Peak egg hatch
7. 1300 DDs after biofix: Egg hatch nearly completed
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD48 CUMDD48 event
-- --- ----- ----- ------ ---- ------- -------
