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

Alfalfa Weevil Activity Prediction Update: April 8, 2021

As the temperatures begin to warm up around South Dakota, it is important to remember that some insect pests are accumulating degree days. One of the insect pests that we use degree day models to monitor is the alfalfa weevil.

A yellow beetle with a black head, and square black markings on its back standing on a soybean leaf.

2021 South Dakota Overwintering Bean Leaf Beetle Predicted Mortality

Bean leaf beetle emergence is approaching, and it’s important to start thinking about this pest. Once soybean begin emerging, overwintering adult beetle populations will move into soybean fields and begin feeding on seedlings.

Fence line along a broad, open pasture.

Lameness in Cattle: Causes Associated With Injury

Most cattle in pastures and feedlots are exposed to multiple potential causes of injury. Learn some of the injury-related causes of lameness in cattle, starting with the foot and working our way up.

Cow exhibiting lameness symptoms with focus on its right, rear foot.

Lameness in Cattle: Causes Associated With Infections

Infections are among the most-common reasons for lameness in feedlot and adult cattle, and in some cases they can be treated or prevented with more success than other causes of lameness.

Cow receiving veterinary treatment for hoof injury.

Getting to the Bottom of Cattle Lameness Cases: Diagnosis

Making the right decisions about how to deal with a lame animal depends on how accurately the cause of the lameness can be diagnosed and localized.

Injured calf resting in a feedlot with a cast around its leg.

Treating Lameness in Cattle

Successfully treating most cases of cattle lameness usually involves more than a simple injection of antibiotics. Knowing the best intervention for a particular animal starts with a good diagnosis of the problem.

Series of trophies on display at a 4-H contest.

South Dakota 4-H Missed Deadline Agreement

Form for missed deadlines for State 4-H Events

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

Alfalfa Weevil Activity Prediction Update: April 15, 2021

Due to the cooler temperatures, we didn’t accumulate a lot of degree days for alfalfa weevils during the last week. However, there are some areas in South Dakota where alfalfa weevils may be active.

Dirt patch in the center of a pasture caused by white grub feeding

Do You Have True White Grubs in Your Pasture or Rangeland?

Grub damage to pastures and rangeland is often observed in South Dakota. From past observations, some of the heaviest infestations in the state are located near the Missouri River.

Adult twospotted spider mites crawling on webbing that is attached to a leaf.

Dry Conditions Could Lead to Early Twospotted Spider Mite Infestations

Although it isn’t an insect, the twospotted spider mite is an occasional pest of crops in South Dakota, and its populations can rapidly increase during dry conditions.