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: San Jose scale [tree fruits]
Type: insect
Model source/other links: Rice et al 1982
Calculation method: single sine
Lower threshold: 51 degrees Fahrenheit
Upper threshold: 90 degrees Fahrenheit
Directions for starting/BIOFIX: first male scale from overwintering generation
Starting/BIOFIX date: 3 15
No ending date, set to: default date 12 31
Model validation status: partly validated
Region of known use: Pacific Northwest
==============================EVENTS TABLE================================
1. 305 DD after 1st male from OW gen: 100 degree-days until first crawler
2. 405 DD after 1st male from OW gen: First crawler emergence
3. 605 DD after 1st male from OW gen: UC Davis rec. crawler treatment
4. 723 DD after 1st male from OW gen: First second instars
5. 936 DD after 1st male from OW gen: First pupae
6. 1031 DD after 1st male from OW gen: 1st male catch next generation
7. 1050 DD after 1st male from OW gen: First mating next generation
8. 1455 DD after 1st male from OW gen: First crawlers second generation
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD51 CUMDD51 event
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