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Teardrop shaped tick with a dark brown body and legs and an elongate white patch behind its head.

Ticks Becoming Active in South Dakota

The arrival of spring in South Dakota means warmer weather and more outdoor activities. However, it also brings an increase in tick activity.

Adult female emerald ash borer

Emerald Ash Borer Insecticide Treatment Options

Fact sheet about insecticide treatment options for protecting ash trees against emerald ash borer.

Rancher surveying pasture in an offroad vehicle.

Use Caution When Fall Spraying Noxious Weeds in Pastures To Avoid Harming Desirable Plants

Noxious weed control is often a long-term process. In some cases, chemical application may be deemed necessary, but it should always be considered in the context of appropriate management and an integrated best management framework.

Orange larvae on discolored soybean stem.

Soybean Gall Midge in South Dakota

Fact sheet about soybean gall midge in South Dakota

A red sprayer in a green field with a cloudy sky in the background.

Commercial Pesticide Applicator Training

Those who apply pesticides for hire or as a government employee that applies pesticides while performing work duties, must have a commercial applicator license.

Rows of empty white, plastic pesticide containers.

Private Pesticide Applicator Training

Private applicator certification is required before an agricultural producer can purchase or use a restricted use pesticide.

Rangeland covered with dense thickets of maturing cedar trees.

Cedar Trees and Rangeland Loss

The issue of cedar tree invasion into South Dakota’s rangelands tends to be a regional conversation. There is generally broad agreement among most resource professionals that these trees are in fact changing our landscape in a negative way.

From left: Meadow deathcamas in a South Dakota prairie rangeland. Silvery Lupine in a rangeland in South Dakota.

Poisonous Plants on Rangelands: Deathcamas and Lupine

With prolonged drought conditions throughout many areas of South Dakota, there is an increase of invasive weeds and poisonous plants on rangelands. Identification of poisonous plants is crucial to ensure livestock production is not compromised.

Field with extensive injury caused by fall armyworm caterpillars.

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.

Three poisonous rangeland plants. From left: Hemlock, Halogeton and Buffalo Bur.

Poisonous Plants on Rangelands: Hemlock, Halogeton and Buffalo Bur

Several species of poisonous plants are invasive and can easily establish dense stands when there is a disturbance on rangelands. Hemlocks, halogeton and buffalo bur can all be found throughout South Dakota and are toxic to livestock.