Online Phenology Models and Degree-day Calculator
immatureadult
Egyptian cotton worm (Spodoptera littoralis) [polyphagous]
invasive insect model of OSU OIPMC model analysis


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: Egyptian cotton worm (Spodoptera littoralis) [polyphagous] Type: invasive insect Model source/other links: OSU OIPMC model analysis Calculation method: single sine Lower threshold: 53 degrees Fahrenheit Upper threshold: 95 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: first version; more spring flight data needed Region of known use: Subtropical and Temperate US ==============================EVENTS TABLE================================ 1. 432 DDs after Jan 1: First flight of adults (overwintered as larvae) in pheromone traps 2. 709 DDs after Jan 1: Peak flight OW generation 3. 798 DDs after Jan 1: Peak egghatch 1st generation 4. 1264 DDs after Jan 1: First first generation moths 5. 1565 DDs after Jan 1: Peak first generation moths 6. 2422 DDs after Jan 1: Peak 2nd generation moths 7. 3278 DDs after Jan 1: Peak 3rd generation moths 8. 4135 DDs after Jan 1: Peak 4th generation moths 9. 4991 DDs after Jan 1: Peak 5th generation moths ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD53 CUMDD53 event -- --- ----- ----- ------ ---- ------- -------