Online Phenology Models and Degree-day Calculator
eggsimmaturedamageadult
gypsy moth larvae & pupae [mixed oak]
invasive insect model of Carter etal 1992


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: gypsy moth larvae & pupae [mixed oak] Type: invasive insect Model source/other links: Carter etal 1992 Calculation method: double sine Lower threshold: 45.8 degrees Fahrenheit Upper threshold: 106 degrees Fahrenheit Directions for starting/BIOFIX: Use date of egg hatch (monitor or use egg hatch model) Starting/BIOFIX date: 3 15 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: East Coast US ==============================EVENTS TABLE================================ 1. 295 DDs after egg hatch: 50% 1st instar 2. 356 DDs after egg hatch: peak 2nd instar 3. 529 DDs after egg hatch: peak 3rd instar 4. 727 DDs after egg hatch: peak 4th instar 5. 854 DDs after egg hatch: 50% 5th & 6th instar 6. 972 DDs after egg hatch: 1st pupae 7. 1057 DDs after egg hatch: 50% pupation 8. 1186 DDs after egg hatch: end (last) pupation ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD45 CUMDD45 event -- --- ----- ----- ------ ---- ------- -------