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: seedcorn maggot [corn, soybean]
Type: insect
Model source/other links: PA State, IA State, WI State
Calculation method: simp avg/grow
Lower threshold: 39 degrees Fahrenheit
Upper threshold: 84 degrees Fahrenheit
Directions for starting/BIOFIX: Calendar date Jan. 1
Starting/BIOFIX date: 1 1
No ending date, set to: default date 12 31
Model validation status: testing
Region of known use: PA, SD, MN, IA, other Midwest & E. US states
==============================EVENTS TABLE================================
1. 360 DDs after Jan 1st Peak adult emergence and egg laying
2. 414 DDs after Jan 1st egg hatch, larval feeding begins
3. 781 DDs after Jan 1st pupation, end larval feeding
4. 1116 DDs after Jan 1st 2nd gen adult emergence and egg laying
5. 1170 DDs after Jan 1st 2nd gen larval feeding begins
6. 1537 DDs after Jan 1st 2nd gen pupation, end larval feeding
7. 1872 DDs after Jan 1st 3rd gen adult emergence and egg laying
8. 1926 DDs after Jan 1st 3rd gen larval feeding begins
9. 2293 DDs after Jan 1st 3rd gen pupation, end larval feeding
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD39 CUMDD39 event
-- --- ----- ----- ------ ---- ------- -------
