Content by Amanda Bachmann
Grasshopper Activity Is Ramping Up
We have already observed increased grasshopper activity in many areas of the state and, depending on the 2022 season, they may become problematic in crops.
Cowpea Aphid Populations Taking off in Alfalfa
In southeast South Dakota, we are observing large cowpea aphid populations in alfalfa. Large populations can reduce yields, and, if left unmanaged, these infestations even kill the plants.
Soybean Gall Midge Adults Detected in South Dakota
Soybean gall midge emergence was first detected in South Dakota two weeks ago, during the week of June 13 -17, 2022. Emergence continues to be slow, with the only observations in southeast South Dakota.
Blister Beetles Are Active in South Dakota Alfalfa
Blister beetles have been spotted in several alfalfa fields in South Dakota, which means it’s time to start scouting to determine how many are present.
Tiger Beetles: Beneficial Predators and Ecosystem Health Indicators
Tiger beetles are generalist predators, meaning they prey on a wide variety of pests. Observing them in a landscape is a great sign that an ecosystem is healthy and supporting a diversity of both prey and predators.
Biocontrol Agents: Brown Lacewings
With so many insect pests causing concern for both gardeners and farmers, it’s important to know which ones are on our side. In this article, we focus on the brown lacewing and the beneficial role it plays within the landscape.
What’s Causing the Tiny Holes on My Tomato Leaves?
Flea beetles are once again causing issues for gardeners across South Dakota. These herbivorous beetles can be a pest of many different garden plants, including tomatoes, peppers, beans, squash and lettuce.
Flying Gems: Long-Legged Flies
Whether scouting for pests in crops or in a garden, chances are you’ve encountered a long-legged fly. These insects provide essential biocontrol of many insect pests and should be encouraged in the landscape.
Squash Vine Borer Activity Estimates: June 10, 2022
Although gardening is well underway in South Dakota, squash vine borers should not be an issue for at least another week. See our latest activity estimates based on conditions around the state.
Bean Leaf Beetles Active in South Dakota
Soybeans in South Dakota are being targeted by the overwintering population of bean leaf beetles. See our latest activity report from around the state, along with scouting and management recommendations.