Online Phenology Models and Degree-day Calculator
obliquebanded leafroller [hazelnut]
insect model of Gang. and Ali. 1985

Output from insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: obliquebanded leafroller [hazelnut] Type: insect Model source/other links: Gang. and Ali. 1985 Calculation method: single sine Lower threshold: 50 degrees Fahrenheit Upper threshold: 90 degrees Fahrenheit Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 3 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: Pacific Northwest ==============================EVENTS TABLE================================ 1. 80 DD after biofix: 50% larvae out of overwintering diapause 2. 245 DD after biofix: Peak larval molt to final stage; 75% larvae out of diapause 3. 450 DD after biofix: 5% catch in pheromone traps 4. 515 DD after biofix: Peak in pupal population 5. 535 DD after biofix: First eggs laid - 1st generation 6. 655 DD after biofix: 50% catch in pheromone traps 7. 735 DD after biofix: Peak egg laying; 80% catch in pheromone traps 8. 935 DD after biofix: Peak egg hatch - 1st generation 9. 1230 DD after biofix: Peak third stage (small) larvae 10. 1590 DD after biofix: Peak 6th stage (large) larvae 11. 1690 DD after biofix: First catch in pheromone traps - 1st generation 12. 1775 DD after biofix: First eggs laid 2nd gen; 25% catch in traps ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD50 CUMDD50 event -- --- ----- ----- ------ ---- ------- -------