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Tick that is dark brown to black in color with a reddish-orange abdomen.

Protecting Yourself From Ticks

During wet springs, tick populations tend to thrive in South Dakota. These parasitic arthropods require blood to fulfill their nutritional needs and commonly use humans as a host. Some ticks can also carry bacterial diseases that are a threat to human health.

Tick that is dark brown to black in color with a reddish-orange abdomen.

An identification guide to common Ticks of South Dakota

A guide to identifying common ticks in South Dakota

Several small green insects on a plant leaf.

Soybean Aphids in South Dakota

Factsheet on Soybean Aphids in South Dakota

grasshopper sitting on plant leaf

Grasshopper Mites in South Dakota

Fact sheet that covers the ectoparasite grasshopper mites.

Mosquito with darker coloration and mosquito with white band on proboscis.

Be Ready for Mosquitos

With the very wet 2019 spring and recent rains, it inevitable that mosquito populations will be high this year. Although there are over 20 species of mosquitoes that call South Dakota home, there are really only two species that account for the majority of observed individuals.

Two mosquitoe samples side-by-side. The one on the left is labeled "A". The right one is labeled "B".

Know Your Mosquitoes to Protect Yourself

Mosquito trapping efforts across the state in the last seven years showed that there are over 20 species of mosquitoes occurring in South Dakota, yet only two species dominate the surveillance data: Aedes vexans and Culex tarsalis.

An orange beetle with black spots and a white head sitting on a green leaf

Lady Beetles of South Dakota

A guide for monitoring, properly identify, and promoting the growth of lady beetles.

group of young piglets

Utilizing Weather-Stressed Corn in Swine Diets

The goals of this factsheet are to help pork producers better understand the nutritional value of weather-stressed corn, how to determine if it’s economical to use, the potential of mycotoxin contamination, and how changes in bulk density affect feed mixing and transportation.

man holding a small pile of soil in his hands

Recommended Soil Sampling Methods and Instructions

Proper collection of soil samples is extremely important as the accuracy of the soil test depends on the quality of the soil sample provided to the lab.

A sprayer applying pre-emergent pesticide to a bare field.

Herbicide Rotation Restrictions

This is a quick reference guide to common herbicides and their rotation restrictions for selected crops.