David Owens, Extension Entomologist, owensd@udel.edu Because insects generally have limited mechanisms of regulating their temperature, insect development and life history is tied to ambient temperature. This enables certain life history events to be predicted fairly accurately. The easiest way to… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Alfalfa Continue scouting alfalfa for alfalfa weevil damage. With the warm weather we have been having, they are active state-wide. When sampling, collect 30 stems (stems should be taken from several locations in the field),… Continue Reading
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
