21 July 2026 - Discussing Apple Maggot, Fungicides & Tree Canker

State of the StatePhenology & DDs for NY NEWA Stations from 1/1 – 7/20 Station || Stage || DD 43F || DD 43 Forecast @ 7/26 ||Geneva (AgriTech Crittenden) || 2298 || 2460Highland (HVRL) || 2488 || 2653Clifton Park || 2268 || 2430Peru (Forrence) || 1980 || 2154Medina (Roberts) - Inland || 2168 || 2333Appleton North - Lake || 1986 || 2162Fairville (The Apple Shed) - Inland || 2205 || 2367Williamson (DeMarree) - Lake || 2135 || 2304 Upcoming Pest Events (Reference: Table 7.1.4 Tree Fruit Guidelines)—Apple Maggot Traps Set Out (in orchard) || 1-JulERM Sample – 5.0 mites/leaf || 1-JulComstock mealybug tape traps set out || July 1 (ENY), July 15 (WNY)OFM – 2nd flight starting || 1180* ± 136* || 856 ± 106 || 29-Jun ± 5 daysOBLR Summer Gen. 1st Sample || 10-Jul ± 5 daysSTLM Summer Gen. 1st Sample || 9-Jul ± 7 daysRBLR – 2nd flight starting || 1367 ± 105 || 866 ± 135 || 29-Jun ± 6 daysAM – 1st catch || 1509 ± 285 || 973 ± 206 || 4-Jul ± 12 daysLesser peachtree borer – peak catch || 1234 ± 470 || 785 ± 338 || 25-Jun ± 19 daysSTLM – 2nd flight peak || 1563 ± 207 || 1011 ± 163 || 6-Jul ± 8 daysCodling moth – 1st flight ending || 1557 ± 262 || 1011 ± 187 || 6-Jul ± 12 daysPeachtree borer – peak catch || 1579 ± 465 || 1036 ± 353 || 7-Jul ± 19 daysLesser appleworm – 2nd flight starting || 1768 ± 339 || 1165 ± 240 || 14-Jul ± 12 daysOFM – 2nd flight peak || 1450* ± 147* || 1115 ± 190 || 11-Jul ± 9 daysAmerican plum borer – 2nd flight starting || 1850 ± 290 || 1231 ± 203 || 16-Jul ± 11 daysRBLR – 2nd flight peak || 1721 ± 232 || 1129 ± 176 || 13-Jul ± 7 daysSan Jose scale – 2nd flight starting || 1804 ± 170 || 1199 ± 136 || 15-Jul ± 8 daysCodling moth – 2nd flight starting || 1887 ± 313 || 1251 ± 223 || 20-Jul ± 13 daysDogwood borer – peak catch || 1611 ± 226 || 1040 ± 172 || 8-Jul ± 10 daysSTLM – 2nd flight ending || 2167 ± 177 || 1466 ± 151 || 28 Jul ± 8 daysAmerican plum borer – 2nd flight peak || 2290 ± 285 || 1564 ± 213 || 1-Aug ± 8 daysOFM – 2nd flight ending || 2044* ± 233* || 1545 ± 195 || 31-Jul ± 7 daysMonitoring Network Blog SitesNY Tree Fruit Pest Monitoring Network Bloghttps://blogs.cornell.edu/treefruitpests/NY Berry Pest Monitoring Network Bloghttps://blogs.cornell.edu/berrypests/ Scouting and Monitoring ResourcesVideo: Apple Insect Targets and IPM Practices (including explanations of Degree Day calculations),  https://youtu.be/NwyBAcvbpUs  Quick Guide for Apple Insect Pests https://help.nysipm.org/hc/en-us/articles/23290226665751-NEWA-Quick-Guide-for-Apple-Insect-PestsVirtual Orchard Scout Training webinar recording on the Cornell IPM YouTube channelhttps://www.youtube.com/watch?v=OtyOWCL1Q2AApple IPM Intensive Workshop playlist https://www.youtube.com/playlist?list=PLoNb8lODb49vifrm9Tla4GmAVhlIL0527Northeast Regional Climate Change Monthly Mapshttps://www.nrcc.cornell.edu/regional/monthly/monthly.htmlNEWA Help Desk Frequently Asked Questions and Table of Contents. https://help.nysipm.org/hc/en-us/categories/16994462926231-NEWA-Network-for-Environment-and-Weather-Applicationshttps://help.nysipm.org/hc/en-us/sections/17011505301783-Apple-Insect-Disease-and-Crop-Management-Forecasts