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

A thin brown insect with two white spots on its side hoisting a yellow insect up with its mouthparts.

Biocontrol Agents: Brown Lacewings

With so many insect pests causing concern for both gardeners and farmers, it’s important to know which ones are on our side. In this article, we focus on the brown lacewing and the beneficial role it plays within the landscape.

Multiple views of a green lacewing adult. The adult has a bright green body and large metallic eyes. The wings are translucent with green venation.

Green Lacewings: Beneficial Predators for Both Small and Large-Scale Landscapes

Many insect species are beneficial to landscapes, and some are even reared in large quantities to be released as biological control agents. In this article, we will focus on one of those insects, the green lacewing.

Bean leaf beetle feeding damage on young soybean plants.

Bean Leaf Beetles Active in South Dakota

Soybeans in South Dakota are being targeted by the overwintering population of bean leaf beetles. See our latest activity report from around the state, along with scouting and management recommendations.

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.

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.

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.

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.

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: 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.