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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.

Moth with green metallic wings and an orange body resting on a green leaf.

Squash Vine Borer Activity Estimates: April 29, 2022

Squash vine borers can be a serious garden pest. If left unmanaged, their activity can cause a rapid decline in the health and productivity of zucchini, squash, pumpkins and other winter squash.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: May 5, 2022

Cool temperatures during the last week prevented the fast accumulation of degree days for common stalk borers. This pest can become a problem, especially around the borders of fields, as temperatures eventually warm up.

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.

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 5, 2022

One of the insects we monitor for using degree day accumulation is the alfalfa weevil. With warmer temperatures in the upcoming forecast, the need to scout for alfalfa weevil activity will increase.

Spring wheat field with wheat emerging in early spring.

Latest Recommended Planting Dates for Spring Wheat in South Dakota

A major question that producers have been asking is, “How late can wheat be planted in South Dakota without a significant reduction in yield potential?” See our latest recommendations for those considering late planting this May.

Tilled field with signs of erosion along the field edge.

The Costs of Erosion: Topsoil’s Role in Food Security

The thin layer of topsoil covering our earth sustains almost all of the life we know. Learn some answers to common questions about protecting it from erosion.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: May 12, 2022

Warmer weather during the last week resulted in fast accumulation of degree days throughout South Dakota. See how it impacted activity estimates for the common stalk border.

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.

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 12, 2022

The forecast for the next week will continue to be favorable for the development of alfalfa weevils. See our latest recommendations for staying ahead of them.