David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Continue scouting for fall armyworm. An infestation noticed early last week at Carvel now has large worms in it and caterpillars are present deep in the whorl. They will finish their development by… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Scout early whorl stage corn for armyworm – both fall and yellow striped. Thresholds for whorl damage are 15% active infestation. You may see windowpaning but not find a larva. Brown stink… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Our early July corn earworm flight continues, with some sites recording unusually intense activity. I am concerned that we have a relatively strong flight for this time of year right when field corn… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Peppers Scout peppers for beet armyworm now. Beet armyworm can be a significant defoliator. Eggs are laid in masses, and often a few plants in a row and a few across are damaged most heavily.… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Label Update – Chlorfenapyr Chlorfenapyr (Pylon) has just been approved by EPA on various greenhouse pests and on various additional crops. This active ingredient is labeled for thrips, rust mites, spider mites, cyclamen mites, fungus… Continue Reading
