27 May 2025

State of the StateHistorical 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 – 5/26Station || Stage || DD 43F || DD 50F ||Geneva (AgriTech North) || Fruit Sizing || 699 || 378Highland (HVRL) || Fruit Sizing || 895 || 514Clifton Park || Fruit Sizing || 735 || 407Peru (Forrence) || Fruit Set || 598 || 310Medina - Inland || Fruit Set || 637 || 336Appleton North - Lake || Fruit Set || 551 || 271Fairville (The Apple Shed) - Inland || Fruit Set || 661 || 356Williamson (DeMarree) - Lake  || Fruit Set || 600 || 305   *all DDs Baskerville-Emin, B.E  Upcoming Pest EventsPest/Phenology Event || DD Base 43˚F || Approx. Date---Petal fall (McIntosh) || 479 ± 42 || 252 ± 32 || 18-May ± 6 daysLesser appleworm – 1st flight peak || 569 ± 205 || 313 ± 130 || 22-May ± 13 daysPlum curculio – 1st oviposition scars observed || 555 ± 77 || 286 ± 37 || 25-May ± 9 daysPear psylla – hardshell stage observed || 569 ± 87 || 312 ± 51 || 22-May ± 9 daysLesser peachtree borer – 1st adult catch || 570 ± 94 || 308 ± 59 || 24-May ± 8 daysSan Jose scale – 1st flight peak || 644 ± 89 || 355 ± 58 || 29-May ± 8 days---ERM Sample – 2.5 mites/leaf || 1-JunOBLR traps set out || 1-JunBlack stem borer – 1st flight peak || 681 ± 170 || 383 ± 122 || 1-Jun ± 9 daysRBLR – 1st flight ending || 753 ± 140 || 448 ± 105 || 2-Jun ± 8 daysAmerican plum borer – 1st flight peak || 784 ± 183 || 457 ± 128 || 3-Jun ± 9 daysCodling moth – 1st flight peak || 768 ± 206 || 442 ± 134 || 3-Jun ± 12 daysSTLM – 1st flight ending || 813 ± 128 || 475 ± 94 || 5-Jun ± 9 daysOBLR – 1st adult catch || 884 ± 90 || 523 ± 62 || 9-Jun ± 6 daysOFM – 1st flight ending || 825* ± 126* || 576 ± 97 || 12-Jun ± 8 daysPeachtree borer – 1st adult catch || 1032 ± 266 || 619 ± 182 || 15-Jun ± 11 daysSan Jose scale – 1st flight ending || 1039 ± 182 || 632 ± 125 || 16-Jun ± 8 daysBlack stem borer – 1st flight ending || 1056 ± 198 || 636 ± 154 || 19-Jun ± 9 daysSTLM – 2nd gen. 1st adult catch || 1063 ± 91 || 648 ± 74 || 16-Jun ± 6 daysSan Jose scale – 1st crawlers observed || 1124 ± 91 || 688 ± 69 || 19-Jun ± 8 daysDogwood borer – 1st adult catch || 964 ± 230 || 571 ± 151 || 12-Jun ± 9 daysAmerican plum borer – 1st flight ending || 1344 ± 144 || 856 ± 111 || 29-Jun ± 7 days *Base temperature for OFM 45F  NY Tree Fruit Pest Monitoring NetworkInterested in collaborating and contributing trap capture data? Contact Anna Wallis [email protected] Orchard Scout Training webinarOnline Course, BF224: Tree Fruit Scouting. WeatherNortheast Regional Climate Change Monthly MapsNOAA Climate Prediction Center (forecasts and outlooks)NEWA and Pest ForecastingNEWA Help Desk Frequently Asked QuestionsNEWA Help Desk Apple Insect, Disease, and Crop Management ForecastsApple IPM Intensive Workshop playlist: ResourcesApple Insect Targets and IPM Practices