The university has listed new thresholds for treating pests in corn, soybeans, cotton, wheat and several other crops based on new research and field tests.

When scouting for army cutworms, use a treatment threshold of 4 or more cutworm larvae per square foot for winter wheat or alfalfa, or 2 or more if the wheat is thin or the alfalfa is newly established.

Did you know that one in five of all known life forms on earth is a beetle? From the Tiny feather-winged beetles to the giant Titan beetle, beetles are found on every continent and have adapted to every terrestrial and fresh water ecosystem.

A large body of literature has shown that genetically-modified plants that produce proteins from the bacterium Bacillus thuringiensis (Bt) to protect themselves from insect pests have little to no effect on a wide range of nontarget insects. However, concerns about Bt crops still exist.

Corn farmers who might have hoped that a new insect threat would be slowed by this winter's frigid temperatures could be disappointed, says a Purdue University Extension entomologist.

Deere & Co. has quietly dropped out of a coalition of large companies that has supported a cap-and-trade program for reducing carbon dioxide emissions.