Online Phenology Models and Degree-day Calculator
eggsimmaturedamageadult
walnut husk fly [walnut]
insect model of Kasana & AliNiazee (1997)


Output from uspest.org/wea insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: walnut husk fly [walnut] Type: insect Model source/other links: Kasana & AliNiazee (1997) Calculation method: single sine Lower threshold: 41 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 3 1 No ending date, set to: default date 12 31 Model validation status: developed but not calibrated or validated Region of known use: Pacific Northwest-W. of Cascades ==============================EVENTS TABLE================================ 1. 1890 DDs after biofix: First adult emergence 2. 2219 DDs after biofix: Mature females 3. 2480 DDs after biofix: First oviposition 4. 2700 DDs after biofix: First eggs hatch/first larvae 5. 2831 DDs after biofix: 25% adult emergence 6. 3152 DDs after biofix: 50% adult emergence 7. 3461 DDs after biofix: First larvae exit husks 8. 3956 DDs after biofix: 100% adult emergence ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD41 CUMDD41 event -- --- ----- ----- ------ ---- ------- -------