Soybean Insects
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Best Management Practices for Soybean Production
This is your unbiased, research-based guide to soybean production to help increase yield, reduce input costs and protect your investment.
All Soybean Insects Content
Forecasted Cold Temperatures Can Be Used To Cool Down Stored Grain
If temperatures are forecasted as being well below freezing, it would probably be a good time to start thinking about cooling stored grain. Cooling grain reduces the activity of stored grain insect pests and suppresses any mold growth that may otherwise occur.
Soybean Gall Midge in South Dakota
Fact sheet about soybean gall midge in South Dakota
Broad-Headed Bugs in Soybean: Should You Be Worried?
This week we received a report of insects infesting a soybean field. However, they weren’t insects that we generally think of when the term "soybean insect pests" comes up.
Start Scouting for Grasshopper Activity in Crops and Grasslands
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.
Fall Armyworm Caterpillars Causing Issues in South Dakota
This week we started to receive reports of pastures and alfalfa stands that have been heavily fed on by fall armyworm caterpillars. Typically, these pests are not an issue in South Dakota. However, populations have been very large in many states during 2021, and they have now moved into South Dakota.
Dectes Stem Borer in Soybean
Although Dectes stem borers are more of an issue in South Dakota sunflower, they can also infest soybean. Thier larvae may cause soybean yield losses due to their feeding activity in the pith of the stem and also due to late-season lodging.
Chlorpyrifos Tolerances Revoked by U.S. Evironmental Protection Agency
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.
SDSU Extension to Tackle Weed, Pest and Drought Inquiries at State Fair
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.
Two-Spotted Spider Mite Populations Reaching Threshold
Drought conditions have continued and worsened in much of South Dakota during this season. As a result, two-spotted spider mite populations have been present in most fields and have recently had large population growth in soybean fields throughout the state.
Straw Itch Mites
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.