Online Phenology Models and Degree-day Calculator
immaturedamageadult
peach twig borer [stone fruits]
insect model of 2007 USU Ext.


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: peach twig borer [stone fruits] Type: insect Model source/other links: 2007 USU Ext. Calculation method: single sine Lower threshold: 50 degrees Fahrenheit Upper threshold: 88 degrees Fahrenheit Directions for starting/BIOFIX: 1st consistent capture of moths in pheromone traps
   (ca. 405 DD after Mar 1 or Jan 1 in warm climates) Starting/BIOFIX date: 4 15 Ending date: 9 30 Model validation status: requires local validation Region of known use: used in NW USA ==============================EVENTS TABLE================================ 1. 55 DDs after biofix: OW gen. ca. 1st egg laying 2. 220 DDs after biofix: 1st gen. ca. 1st egg hatch, OW 49% male flight 3. 350 DDs after biofix: 1st gen. ca. 14% egg hatch (time to sample young larvae), OW 87% male flight 4. 500 DDs after biofix: 1st gen. ca. 63% egg hatch, OW 98% male flight 5. 684 DDs after biofix: 1st gen. ca. 96% egg hatch, earliest pupation 6. 1080 DDs after biofix: 2nd gen. ca. 1st egg hatch, 1st gen. 19% male flight 7. 1280 DDs after biofix: 2nd gen. ca. 13% egg hatch, 1st gen. 66% male flight 8. 1500 DDs after biofix: 2nd gen. ca. 61% egg hatch, 1st gen. 96% male flight 9. 1760 DDs after biofix: 2nd gen. ca. 96% egg hatch, 2nd gen. 1st male flight 10. 2240 DDs after biofix: 3rd gen. ca. 14% egg hatch, 2nd gen. 56% male flight 11. 2580 DDs after biofix: 3rd gen. ca. 73% egg hatch, 2nd gen. 96% male flight 12. 2820 DDs after biofix: 3rd gen. ca. 96% egg hatch, 3rd gen. 4% male flight 13. 3180 DDs after biofix: 4th gen. ca. 13% egg hatch (warmer climates only) ==============================MODEL OUTPUT================================ Extended Seasonal Forecast: NOAA NMME 7-month 1910 MF24465 PRISM_rev1_4km 2012-2021
peach twig borer model - 2007 USU Ext.
Extended Seasonal Forecast: NOAA NMME
degree-day graph of peach twig borer [stone fruits] 2007 USU Ext.