David Owens, Extension Entomologist, owensd@udel.edu Corn Continue scouting for cutworm activity. A report came in this week of cutworm injury to vegetables, so they are still active. Thresholds are 5% cut plants with larvae present. Dig around the base of… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Corn Continue scouting for cutworm in corn. You may see withered plants which can be indicative of cutworm, wireworm, or white grub attack. Cutworms will make burrows in the soil, such burrows will be as… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Alfalfa There have been reports from other states of fall armyworm defoliating alfalfa. Another generation is hatching out of egg masses now, so be on the lookout for them during this week coming and the… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sod/Pasture/Alfalfa Scout sod, pasture, and alfalfa for fall armyworm. There have been a couple of reports this week from Virginia and from New York of fall armyworm stripping alfalfa. In grasses, caterpillars can be scouted… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sorghum Scout late sorghum for corn earworm and sugarcane aphid. Last week, a field of sorghum we had been looking at that just finished pollinating was over threshold for corn earworm, and our variety trial… Continue Reading
