Online Phenology Models and Degree-day Calculator
eggsearly instarimmatureadult
Lygus bug [alfalfa seed]
insect model of Ben Simko 2000

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: Lygus bug [alfalfa seed] Type: insect Model source/other links: Ben Simko 2000 Calculation method: single sine Lower threshold: 52 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: calendar date Starting/BIOFIX date: 1 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: E. Oregon, SW Idaho ==============================EVENTS TABLE================================ 1. 275 DD after biofix Peak 1st and 2nd instars nymphs ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD52 CUMDD52 event -- --- ----- ----- ------ ---- ------- -------