Content by Philip Rozeboom
Grasshopper Populations Increasing in South Dakota
Large populations of grasshopper nymphs have been a common observation this year. One concern regarding these populations is that, as the season progresses and they continue to grow, they will need additional resources.
Red Sunflower Seed Weevil Populations Are Active in South Dakota
Red sunflower seed weevils are active in South Dakota sunflowers. Scouting should begin for fields that are going to be reaching the R5 stage within the next week.
Plant Bugs Active in Alfalfa
Plant bugs are active in alfalfa fields across the state. A common question we receive from producers is why some of these bugs look so different from others.
Corn Rootworm Adults Are Active in South Dakota
We have been observing a lot of corn rootworm adults in South Dakota. The emergence of these primarily underground pests can provide insight into field population levels and the potential for future root injury.
Soybean Gall Midge Larvae Detected in South Dakota Soybean
Soybean gall midge larvae have been detected in southeastern South Dakota. Although the infestations probably won’t result in plant death in many fields in 2022, the infestations could be a source for soybean gall midge adults in 2023.
An identification guide for Home and Building Arthropod Pests - Insects, Spiders and Other Invaders in South Dakota
Identification guide to assist with identification and management of home and building arthropod pests (insects, spiders and other invaders).
An identification guide for Common Spiders in South Dakota
Identification guide to assist with identification and management of common spiders.
An identification guide for Sunflower Insect Pests in South Dakota
Identification guide to assist with insect identification and management in sunflowers.
Squash Bugs Are Active in South Dakota
Squash bugs are an insect pest that everyone dreads finding in their garden. If left unmanaged, injury caused by their extensive feeding can kill infested squash and cucurbit plants.
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.