Sweet Corn IPM Newsletter No. 2 – July 6, 2018 Click on photos to enlarge. CORN EARWORM THREATENS EARLY SILKING CORN European Corn Borer Damage on the Rise SITUATION A string of very hot, humid days has pushed corn development along rapidly, especially in irrigated fields.  Hail ripped up young corn in a few fields, read more Sweet Corn IPM Newsletter No. 2 – July 6, 2018