Online Phenology Models and Degree-day Calculator
brown marmorated stink bug [multiple]
invasive insect model of Nielsen et al 08

Output from invasive insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: brown marmorated stink bug [multiple] Type: invasive insect Model source/other links: Nielsen et al 08 Calculation method: single sine Lower threshold: 54 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: under development - new invasive species Region of known use: data collected in PA ==============================EVENTS TABLE================================ 1. 85 DDs after Jan 1: 1st adults begin reproductive maturation 2. 360 DDs after Jan 1: 1st active spring adults 3. 566 DDs after Jan 1: 1st egg laying 4. 700 DDs after Jan 1: 1st nymphs 5. 1608 DDs after Jan 1: 1st adults summer gen 6. 1734 DDs after Jan 1: Peak 3rd instar nymphs (mid-season hosts) 7. 2022 DDs after Jan 1: 1st egg hatch 2nd gen (S. states only) 8. 2213 DDs after Jan 1: Peak summer gen adults and final summer gen nymphs 9. 2905 DDs after Jan 1: 1st 2nd gen adults (S. states only) ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD54 CUMDD54 event -- --- ----- ----- ------ ---- ------- -------