29 July 2025

Historical Phenology and Average Degree Day Accumulation Base 43 (for reference) Phenology & DDs for NY NEWA Stations from 1/1 – 7/28 Station || Stage || DD 43F || DD 50F || Geneva (AgriTech North) || Fruit Sizing || 2486 || 1728 Highland (HVRL) || Fruit Sizing || 2764 || 1946 Clifton Park || Fruit Sizing || 2537 || 1771 Peru (Forrence) || Fruit Sizing || 2240 || 1513 Medina - Inland || Fruit Sizing || 2357 || 1620 Appleton North - Lake || Fruit Sizing || 2244 || 1527 Fairville (The Apple Shed) - Inland || Fruit Sizing || 2432 || 1693 Williamson (DeMarree) - Lake || Fruit Sizing || 2362 || 1623 *all DDs Baskerville-Emin, B.E Upcoming Pest Events Pest/Phenology Event || DD Base 43˚F || Approx. Date Dogwood borer – 1st adult catch || 964 ± 230 || 571 ± 151 || 12-Jun ± 9 days American plum borer – 1st flight ending || 1344 ± 144 || 856 ± 111 || 29-Jun ± 7 days --------------------------------------------------------------- Apple Maggot Traps Set Out (in orchard) || 1-Jul ERM Sample – 5.0 mites/leaf || 1-Jul Comstock mealybug tape traps set out || July 1 (ENY), July 15 (WNY) OFM – 2nd flight starting || 1180* ± 136* || 856 ± 106 || 29-Jun ± 5 days OBLR Summer Gen. 1st Sample || 10-Jul ± 5 days STLM Summer Gen. 1st Sample || 9-Jul ± 7 days RBLR – 2nd flight starting || 1367 ± 105 || 866 ± 135 || 29-Jun ± 6 days AM – 1st catch || 1509 ± 285 || 973 ± 206 || 4-Jul ± 12 days Lesser peachtree borer – peak catch || 1234 ± 470 || 785 ± 338 || 25-Jun ± 19 days STLM – 2nd flight peak || 1563 ± 207 || 1011 ± 163 || 6-Jul ± 8 days Codling moth – 1st flight ending || 1557 ± 262 || 1011 ± 187 || 6-Jul ± 12 days Peachtree borer – peak catch || 1579 ± 465 || 1036 ± 353 || 7-Jul ± 19 days Lesser appleworm – 2nd flight starting || 1768 ± 339 || 1165 ± 240 || 14-Jul ± 12 days OFM – 2nd flight peak || 1450* ± 147* || 1115 ± 190 || 11-Jul ± 9 days American plum borer – 2nd flight starting || 1850 ± 290 || 1231 ± 203 || 16-Jul ± 11 days RBLR – 2nd flight peak || 1721 ± 232 || 1129 ± 176 || 13-Jul ± 7 days San Jose scale – 2nd flight starting || 1804 ± 170 || y1199 ± 136 || 15-Jul ± 8 days Codling moth – 2nd flight starting || 1887 ± 313 || 1251 ± 223 || 20-Jul ± 13 days Dogwood borer – peak catch || 1611 ± 226 || 1040 ± 172 || 8-Jul ± 10 days STLM – 2nd flight ending || 2167 ± 177 || 1466 ± 151 || 28 Jul ± 8 days American plum borer – 2nd flight peak || 2290 ± 285 || 1564 ± 213 || 1-Aug ± 8 days OFM – 2nd flight ending || 2044* ± 233* || 1545 ± 195 || 31-Jul ± 7 days *Base temperature for OFM 45F Resources NOAA Storm Prediction Center & Severe Weather https://www.spc.noaa.gov/climo/reports/250703_rpts.html https://www.weather.gov/ Sunburn Pest Monitoring Networks NY Tree Fruit Pest Monitoring Network NY Berry Pest Monitoring Network Interested in collaborating and contributing trap capture data? Contact Anna Wallis [email protected] Virtual Orchard Scout Training webinar Online Course, BF224: Tree Fruit Scouting. Weather Northeast Regional Climate Change Monthly Maps NOAA Climate Prediction Center (forecasts and outlooks) NEWA and Pest Forecasting NEWA Help Desk Frequently Asked Questions NEWA Help Desk Apple Insect, Disease, and Crop Management Forecasts Quick Guide for Apple Insect Pests Apple IPM Intensive Workshop playlist: Apple Insect Targets and IPM Practices