The problems caused by winter stem weevil in oilseed rape crops this year may have been unintentionally caused by bringing drilling dates forward. The adults have an earlier egg-laying period than ...

Oilseed rape growers are urged to watch out for signs of rape winter stem weevil, following reports of the pest appearing in crops in eastern counties. Despite having potential to be more damaging to ...

Despite having potential to be more damaging to oilseed rape than cabbage stem flea beetle, RWSW often goes undetected, according to Neil Watson, technical manager for leading agronomy firm, ...

The alfalfa weevil is one of Indiana's earliest spring crop pests. Purdue Extension entomologists encourage alfalfa growers to scout their fields for the insect and treat with insecticides where ...

Alfalfa weevil larvae feeding in the folded leaves can heavily damage stem terminals, but initial damage is not always clearly visible. The closed, overlapping foliage of the stem terminals should be ...

Some recent high temperatures have allowed for the accumulation of Growing Degree Days, which means that it is time to ...

Significant numbers of alfalfa weevil larvae are being reported in alfalfa 3-4 inches high – as many as six to eight larvae per stem were reported in Fulton County. Lesser numbers have been observed ...

It is time to scout alfalfa fields for alfalfa weevil infestations in Colorado. Weevil larvae are currently seen in most fields. These insect larvae are about 1/20 inch long when they first hatch.