The South Dakota Pest Management guides are now available for free. The guides offer recommendations for controlling weeds, insects, and diseases in a variety of South Dakota crops.
All Corn Insects Content
Over the weekend, South Dakota experienced strong southerly winds, which brought warm temperatures to the state. In addition, these winds also brought insect pests north, which included moths of the western bean cutworm.
Most of Eastern South Dakota is experiencing very low grasshopper populations. However, this is not the case for many areas in Central and Western South Dakota.
In August 2021, a final rule was released by the U.S. Environmental Protection Agency for the insecticide active ingredient chlorpyrifos. The rule revoked all tolerances for chlorpyrifos.
Nearly one out of every three dollars generated by South Dakota agriculture starts in a corn field. Two of every three rows of corn become ethanol.
Fact sheet on Northern and Western Corn Rootworm in South Dakota
August 23, 2021
To address drought concerns, as well as weed and pest inquiries, South Dakota State University Extension will feature two booth locations at the 2021 South Dakota State Fair Sept. 2-6 in Huron.
A unique insect that has been observed in South Dakota is the snailcase bagworm. Snailcase bagworms are wingless moths that spend their entire life in spiral-shaped “snail” cases, which they build around themselves using a combination of silk, soil particles and fecal matter.
Straw itch mites, also known as hay mites or grain mites, can be a major problem when present in hay or grain. The best way to avoid a straw itch mite infestation is to keep commodities at low moisture levels and bale straw when it is thoroughly dry.
This week, redheaded flea beetles were observed in corn. Redheaded flea beetles will often strip only a layer of the leaves off corn, which results in windowpane holes, but the bigger issue is that they will also feed on corn silks.