David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Moth counts are variable in pheromone but pay attention to blacklight trap captures. Our thresholds for blacklight traps can be found here: https://www.udel.edu/academics/colleges/canr/cooperative-extension/sustainable-production/pest-management/insect-trapping/silk-stage-sweet-corn/. Blacklight traps with counts of 2 or greater on Thursday… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu With the hot and dry weather, we have been expecting to see two spotted spider mites (TSSM) Tetranychus urticae problems in tomatoes and cucumbers (fig. 1). These pests vary in color… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Cucurbits Continue scouting for spider mites. Focus on the crown area and especially around non-crop habitat. For other cucurbits, squash bug and squash vine borer are both active. Squash bug control is often a 2-spray… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu The dry conditions we have had up until this week have caused thrips and two spotted spider mite TSSM (Tetranychus urticae), populations to become problematic in many vegetable fields. These pests… Continue Reading
Sweet Corn The earliest sweet corn will soon be silking. As a general reminder, thresholds for silking sweet corn can be found on the Insect Trapping webpage: https://www.udel.edu/academics/colleges/canr/cooperative-extension/sustainable-production/pest-management/insect-trapping/. The last time I looked, the links for action thresholds for snap… Continue Reading
