Output from uspest.org/wea invasive insect degree-day/phenology model program:
Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================
Model species/general links: Japanese beetle [multiple crops]
Type: invasive insect
Model source/other links: OSU OIPMC model analysis
Calculation method: single sine
Lower threshold: 50 degrees Fahrenheit
Upper threshold: 92 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: from numerous lab and field studies - overall well validated
Region of known use: for use in US
==============================EVENTS TABLE================================
1. 650 DDs after Jan 1: Approx. beginning of pupation in soil
2. 920 DDs after Jan 1: Place traps to monitor adult activity
3. 1000 DDs after Jan 1: Approx. 2% adult emerg.
4. 1100 DDs after Jan 1: Approx. 10% dult emerge
5. 1540 DDs after Jan 1: Approx. 50% or peak adult emerge; 1st egg hatch
6. 1985 DDs after Jan 1: Approx. 90% adult emerge
7. 2110 DDs after Jan 1: Approx. end of main period of adult activity
8. 2700 DDs after Jan 1: Approx. last adults trapped
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD50 CUMDD50 event
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