Online Phenology Models and Degree-day Calculator
eggsimmatureadult
Spodoptera litura [omnivorous]
invasive insect model of OSU IPPC 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: Spodoptera litura [omnivorous] Type: invasive insect Model source/other links: OSU IPPC model analysis Calculation method: single sine Lower threshold: 51 degrees Fahrenheit Upper threshold: 104 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. 216 DDs after Jan 1: First flight of adults (overwintered as pupae) in pheromone traps 2. 314 DDs after Jan 1: First oviposition (OV) overwintered adults 3. 707 DDs after Jan 1: Peak spring or 1st generation larvae 4. 1239 DDs after Jan 1: First flight 1st generation adults 5. 1370 DDs after Jan 1: Peak flight 1st generation adults 6. 1729 DDs after Jan 1: Peak 2nd generation larvae 7. 2393 DDs after Jan 1: Peak flight 2nd gen. adults; expect overlapping generations 8. 2752 DDs after Jan 1: Peak 3rd generation larvae 9. 3415 DDs after Jan 1: Peak flight 3rd generation adults 10. 3775 DDs after Jan 1: Peak 4th generation larvae 11. 4438 DDs after Jan 1: Peak flight 4th generation adults 12. 5461 DDs after Jan 1: Peak flight 5th generation adults 13. 6483 DDs after Jan 1: Peak flight 6th generation adults ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD51 CUMDD51 event -- --- ----- ----- ------ ---- ------- -------