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
David Owens, Extension Entomologist, owensd@udel.edu Soybean Reports are starting to come in of threshold levels of corn earworm in soybean. As a reminder, NCSU has a good earworm threshold calculator: https://www.ces.ncsu.edu/wp-content/uploads/2017/08/CEW-calculator-v0.006.html. Moths were active last week in fields with flowers,… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sorghum A report of sugarcane aphid activity came in from Kent County this week. This aphid has the potential to cause significant yield loss as late as the soft dough stage. Thresholds range anywhere from… Continue Reading
