David Owens, Extension Entomologist, owensd@udel.edu Begin scouting for tarnished plant bug on blossoms and spider mites on leaflets. Threshold for spider mites is 15-20 per leaflet at this stage. For tarnished plant bug, shake or flick flower clusters onto a… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Melons Cucumber beetles are working their way out, spider mites are working their way in. Scout crown leaves, particularly near field edges. Recommended thresholds are 20-30% of crowns infested with 1-2 mites per leaf. In… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Spider Mites Make sure to periodically scout new strawberry transplants between now and row cover placement for spider mites. Thresholds are around 5 per leaflet. Cyclamen mites are also a potential, if uncommon, threat. Cyclamen… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Corn Western corn rootworm adults are active and worth scouting for if planting corn in the same field as this year’s, and especially in western Kent or New Castle County where the ground is heavier.… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Cucurbits Squash vine borer and Squash bug continue to attack summer squashes. Treat for squash bug when there is an average of 1 egg mass per plant once egg masses begin hatching. You may have… Continue Reading
