Online Phenology Models and Degree-day Calculator
eggsimmaturepupaadult
strawberry root weevil [peppermint]
insect model of Cacka (1982)


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 -- --- ----- ----- ------ ---- ------- -------