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.

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South Dakota Pest Management Guides

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 Soybean Insects Content

Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: May 26, 2022

Many areas in South Dakota have reached peak emergence for the second generation of seed corn maggots, while others are still approaching it.

soybean pods

Soybean

SDSU Extension is your partner to increase yields and improve efficiency.

Roughly oval shaped insect with a black head and upper body, and a brown and white pattern on its wings. The insect is on a green leaf and its thin mouthpart is piercing a round, white egg.

Minute Pirate Bug: Beneficial Predators in Managed and Agricultural Landscapes

Learn about minute pirate bugs, beneficial insects that feed on numerous arthropod pests of both garden and agricultural crops.

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Crops

During the growing season, SDSU Extension provides weekly production recommendations.

Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: May 18, 2022

Degree day accumulations continue to approach the peak emergence of the second generation of seedcorn maggots. See our latest management recommendations based on this activity.

Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: May 12, 2022

For most of South Dakota, peak emergence of the overwintering seedcorn maggot population has passed. See our latest activity estimates for the second generation.

Top profile of an insect with an orange head and second body segment, and a shiny, almost iridescent black abdomen.

Ground Beetles: Predators That Provide Benefits in Agricultural Landscapes

For agroecosystems and gardens struggling with weeds and insect pests, ground beetles can be a beneficial predator. Learn the benefits they can bring to your landscape this growing season.

Pink beetle with black spots feeding on oblong, yellow eggs.

Pink Lady Beetles: Beneficial Predators in Urban and Agricultural Landscapes

There are numerous insect species that are beneficial to the gardens and farms. In this article, we will highlight a common insect predator known as the pink lady beetle, or spotted lady beetle.

Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: May 5, 2022

Corn and soybean planted during cool conditions can be at risk for seedcorn maggot infestation. Stay ahead of infestations by viewing latest activity estimates from around the state.

Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: April 29, 2022

Seedcorn maggots can be an early-season pest of corn and soybean in South Dakota. View our latest seedcorn maggot activity estimates based on degree day accumulation for various locations throughout South Dakota.