BROOKINGS, S.D. — Alfalfa weevils are an annual pest to alfalfa fields, causing damage typically during the first cutting of alfalfa. However, in recent years, weevil pressure in South Dakota and ...

Root weevil feeding damage is most easily seen along the margins (edges) of leaves. White flies show up during hot weather. They can cause yellowing leaves and poor vigor if their populations are high ...

Question: My white pine tree is turning brown on the tip. Do you have any idea of what may be going on or what I can spray? Answer: A smaller than normal size of a leader branch, followed by wilting, ...

The multi-year Oklahoma Alfalfa Weevil Insecticide Resistance Study conducted by Oklahoma State University experts is showing how the dissemination of research-based information is key to maximizing ...

Observations in the Big Horn Basin and Sheridan County indicate that there is high alfalfa weevil pressure this year. (Joseph Berger/Bugwood.org Photo) Observations in the Big Horn Basin and Sheridan ...

Cabbage seedpod weevil is no longer a novel crop pest in Manitoba; it’s a permanent challenge farmers will have to manage ...

UW graduate student Micah McClure examines a vial of insects he netted in research plots at the James C. Hageman Sustainable Agriculture Research and Extension Center near Lingle. The insects are ...

As weevil populations press northward and eastward in Western Canada, canola growers will now want to consider the pest an ...