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2019 South Dakota Grasshopper Forecast
The USDA Animal Plant Health Inspection Service conducts an annual survey to monitor grasshopper populations in Western South Dakota. In 2018, SDSU conducted a survey to monitor populations in Eastern South Dakota. These previous-year surveys can be used as a prediction tool for where grasshoppers may be an issue during the upcoming season.
Are Ant Mounds in Pastures Bad?
We often receive reports of large ant mounds in a pastures and rangeland. These mounds are the creation of thatching ants, which are common in South Dakota. Although these mounds are often considered a nuisance, the ants may play an important role as predators of potential pest insects.
2019 June Beetle Update
In the spring of 2016, we received reports of large populations of June beetles in Central South Dakota, which indicates the start of a new cycle for the grubs. Based on these reports, it is estimated that 2019 will be the big emergence year if the 2016 adults were successful and their grubs survived.
Be on the Lookout for Black Grass Bugs
It’s time to begin scouting pasture and wheat for the presence of black grass bugs. Last year, we saw the highest populations in areas of Central and Southwestern South Dakota. If left untreated, black grass bug populations tend to increase year after year.
Use the SD Spray Tool for Inversion Detection and Weather for Pesticide Application
The SD Mesonet Spray Tool provides real-time weather data for pesticide applicators. This dedicated website for pesticide applicators uses the SD Mesonet weather data, which is updated every five minutes.
What are Those Gigantic Flies?
As we progress later into the summer, we commonly see an increase in horse fly activity.
Promoting Dung Beetles on the Range
In South Dakota, dung beetles help regulate rangeland health through dung dispersal.
Lady Beetles of South Dakota
Lady beetles are one of the most familiar groups of beneficial insects. Farmers and gardeners appreciate them for devouring insect pests. Both adult lady beetles and caterpillar-like juveniles eat pests.
Woodpeckers Attacking Bur Oaks
Woodpeckers have been seen across the region chipping away at the bark of young bur oak. The woodpeckers can shred most of the bark from young trees, enough that the trees are killed by this injury.
Lady Beetles of South Dakota
A guide for monitoring, properly identify, and promoting the growth of lady beetles.