David Owens, Extension Entomologist, owensd@udel.edu With a worsening drought, any small grains that are up, are at risk from aphid damage and from winter grain mite. Fall aphid treatments are primarily aimed at preventing barley yellow dwarf, but this year… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Now is a good time to scout small grain fields, and especially barley fields, for aphids. Barley tends to be planted earlier than wheat allowing aphids more time to colonize and reproduce. Barley is also… Continue Reading
Scout emerging small grains for fall armyworm. Our unusually warm October weather may give moths an opportunity to lay eggs in fields and for those eggs to develop into caterpillars capable of causing damage before frost. Fall armyworm will hide… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Be sure to scout for aphids in small grains. Warm weather in October and November will favor higher than usual aphid populations. Examine 10-20 sites per field, and at each site, 1-5 row ft. Fall… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu Planting winter wheat and barley is coming up. There are two historically important insect pest groups to be mindful of: Hessian fly and the aphid complex. Hessian fly lays eggs on leaves and larvae move… Continue Reading
