1 April 2025

Historical Phenology and Average Degree Day Accumulation Base 43 (for reference)-            Silver Tip (McIntosh) || 58-106-            Green Tip (McIntosh) || 99-144-            Half Inch Green (McIntosh) || 150-201-            Tight Cluster (McIntosh) || 206-257-----------------------------------------------------------------Phenology & DDs for NY NEWA Stations from 1/1 - 3/31Station || Stage || DD 43F || DD 50F ||Geneva (AgriTech North) || First Green || 123 || 53Highland (HVRL) || Green Tip || 148 || 60Clifton Park || First Green || 101 || 42Peru (Forrence) || Silver Tip || 82 || 39Medina - Inland || First Green || 114 || 55Appleton North - Lake || First Green || 84 || 37Fairville (The Apple Shed) - Inland || First Green || 121 || 54Williamson (DeMarree) - Lake  || First Green || 114 || 50*all DDs Baskerville-Emin, B.E -----------------------------------------------------------------Upcoming Pest EventsPest/Phenology Event || DD Base 43˚F || Approx. DateSTLM Traps set out   || 1-AprPear psylla – egg laying || 84 ± 44 || 33 ± 21 || 4-Apr ± 11 daysRBLR – 1st catch || 144 ± 32 || 60 ± 20 || 17-Apr ± 9 daysRosy apple aphid – 1st nymphs present || 189 ± 55 || 86 ± 30 || 25-Apr ± 7 daysSTLM – 1st adult catch || 168 ± 48 || 73 ± 28 || 20-Apr ± 9 daysSTLM – 1st egg observed || 208 ± 65 || 94 ± 36 || 27-Apr ± 5 days----------------------------------------------------------------Tight cluster (McIntosh) || 228 ± 27 || 105 ± 19 || 27-Apr ± 7 daysTarnished plant bug – 1st observed || 222 ± 105 || 105 ± 62 || 25-Apr ± 15 daysOBLR – 1st overwintered larvae observed || 236 ± 78 || 112 ± 48 || 29-Apr ± 7 daysBlack stem borer – 1st adult catch || 283 ± 50 || 137 ± 40 || 6-May ± 3 daysEuropean red mite – egg hatch observed || 284 ± 53 || 134 ± 34 || 6-May ± 4 days---Pink (McIntosh) || 289 ± 26 || 139 ± 21 || 3-May ± 7 days*Base temperature for OFM 45F----------------------------------------------------------------- Sprayer Calibration VideosJason DeveauAndrew Landers Part I Andrew Landers Part II  WeatherNortheast Regional Climate Change MapsNOAA Climate Prediction CenterNEWA and Pest ForecastingNEWA Help Desk Frequently Asked QuestionsNEWA Help Desk Apple Insect, Disease, and Crop Management ForecastsQuick Guide for Apple Insect Pests Apple IPM Intensive Workshop Apple Insect Targets and IPM Practices  NY Tree Fruit Pest Monitoring NetworkInterested in collaborating and contributing trap capture data? Contact Anna Wallis [email protected] Orchard Scout Training webinar recordingOnline Course, BF224: Tree Fruit ScoutingCold Temperature and Frost RiskPicture Table of Critical Spring Temperatures for Tree Fruit Bud Development Stages Regional Weather Events page for NEWA weather stations, including a map of freeze events on 4/25 and 26Statewide Frost Protection webinar