Online Phenology Models and Degree-day Calculator
bronze birch borer [birch trees]
native insect model of OSU OIPMC model analysis

Output from native insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: bronze birch borer [birch trees] Type: native insect Model source/other links: OSU OIPMC model analysis Calculation method: single sine Lower threshold: 43 degrees Fahrenheit Upper threshold: 100 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: Could benefit from data from additional years and regions Region of known use: Developed with data from multiple US states and years ==============================EVENTS TABLE================================ 1. 250 DDs after biofix: Prepupal larvae in OW cells under bark 2. 400 DDs after biofix: Beginning of pupation 3. 750 DDs after biofix: First adults exit trees 4. 950 DDs after biofix: 10% adult emergence 5. 1100 DDs after biofix: 50% adult emergence 6. 1400 DDs after biofix: Beginning of egg hatch and larval tunneling 7. 1600 DDs after biofix: 90% adult emergence 8. 2050 DDs after biofix: Adult activity and egg hatch ended, larvae continue tunneling ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD43 CUMDD43 event -- --- ----- ----- ------ ---- ------- -------