Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu and David Owens, Extension Entomologist, owensd@udel.edu Spring has sprung! Well, kind of, and that means it’s time to scout for alfalfa weevils in alfalfa. If you haven’t been scouting your alfalfa… Continue Reading
Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu If you haven’t been scouting your alfalfa for Alfalfa Weevil, now is the time! To sample alfalfa for alfalfa weevils, examine 10 random stems per field on a weekly basis until… Continue Reading
Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu Begin sampling alfalfa for alfalfa weevils by examining 10 random stems per field on a weekly basis until first cutting, noting the presence of alfalfa weevil larvae and feeding injury. If… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Alfalfa Weevil: We are starting to see the first hatch of alfalfa weevil eggs. As soon as the weather begins to warm up, you should begin to sample for larvae on a weekly… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to scout fields for both alfalfa weevil and pea aphids. Economic levels of both can be found in alfalfa fields at this time. As a general guideline, you should consider a treatment… Continue Reading
