3 June 2025

State of the State Historical Phenology and Average Degree Day Accumulation Base 43 (for reference) Petal fall (McIntosh) || 479 ± 42 || 18-May ± 6 days Phenology & DDs for NY NEWA Stations from 1/1 – 6/3 Station || Stage || DD 43F || DD 50F || Geneva (AgriTech North) || Fruit Sizing || 803 || 437 Highland (HVRL) || Fruit Sizing || 1017 || 590 Clifton Park || Fruit Sizing || 854 || 479 Peru (Forrence) || Fruit Sizing || 717 || 381 Medina - Inland || Fruit Sizing || 736 || 391 Appleton North - Lake || Fruit Sizing || 649 || 324 Fairville (The Apple Shed) - Inland || Fruit Sizing || 765 || 416 Williamson (DeMarree) - Lake || Fruit Sizing || 705 || 358 *all DDs Baskerville-Emin, B.E Upcoming Pest Events Pest/Phenology Event || DD Base 43˚F || Approx. Date --- Petal fall (McIntosh) || 479 ± 42 || 252 ± 32 || 18-May ± 6 days Lesser appleworm – 1st flight peak || 569 ± 205 || 313 ± 130 || 22-May ± 13 days Plum curculio – 1st oviposition scars observed || 555 ± 77 || 286 ± 37 || 25-May ± 9 days Pear psylla – hardshell stage observed || 569 ± 87 || 312 ± 51 || 22-May ± 9 days Lesser peachtree borer – 1st adult catch || 570 ± 94 || 308 ± 59 || 24-May ± 8 days San Jose scale – 1st flight peak || 644 ± 89 || 355 ± 58 || 29-May ± 8 days --- ERM Sample – 2.5 mites/leaf || 1-Jun OBLR traps set out || 1-Jun Black stem borer – 1st flight peak || 681 ± 170 || 383 ± 122 || 1-Jun ± 9 days RBLR – 1st flight ending || 753 ± 140 || 448 ± 105 || 2-Jun ± 8 days American plum borer – 1st flight peak || 784 ± 183 || 457 ± 128 || 3-Jun ± 9 days Codling moth – 1st flight peak || 768 ± 206 || 442 ± 134 || 3-Jun ± 12 days STLM – 1st flight ending || 813 ± 128 || 475 ± 94 || 5-Jun ± 9 days OBLR – 1st adult catch || 884 ± 90 || 523 ± 62 || 9-Jun ± 6 days OFM – 1st flight ending || 825* ± 126* || 576 ± 97 || 12-Jun ± 8 days Peachtree borer – 1st adult catch || 1032 ± 266 || 619 ± 182 || 15-Jun ± 11 days San Jose scale – 1st flight ending || 1039 ± 182 || 632 ± 125 || 16-Jun ± 8 days Black stem borer – 1st flight ending || 1056 ± 198 || 636 ± 154 || 19-Jun ± 9 days STLM – 2nd gen. 1st adult catch || 1063 ± 91 || 648 ± 74 || 16-Jun ± 6 days San Jose scale – 1st crawlers observed || 1124 ± 91 || 688 ± 69 || 19-Jun ± 8 days 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 *Base temperature for OFM 45F Resources NY Tree Fruit 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 Apple IPM Intensive Workshop playlist: Apple Insect Targets and IPM Practices