David Owens, Extension Entomologist, owensd@udel.edu Alfalfa Mid-to Large alfalfa weevil larvae are still present in some fields. Alfalfa is growing well now, so check its height and compare your counts per 30 stems with the threshold table found in the… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Small Grains Insect activity appears to be very low in small grains. Reports were received from county agents scouting small grains with minimal aphid activity. This time of year, thresholds for aphids are very high.… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Slugs Slugs are very active right now. While there are no true thresholds for slugs in field crops, a common benchmark is 1-2 slugs per square foot is a level of interest that may (or… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Alfalfa Continue to scout alfalfa fields, even if they had been previously treated, for alfalfa weevil. Larvae continue hatching. As a reminder, alfalfa weevil thresholds are based on plant height, value of hay, and control… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu Early Season Moth Activity Trap Location True Armyworm per night Black Cutworm per night Willards, MD 0.4 0.7 Salisbury, MD 0 1.4 Laurel, DE 0.3 2.3 Seaford, DE — 4.9 Bridgeville, DE 2.7 3.7 Harrington,… Continue Reading
