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Monitor Soybean and Sunflower for Alfalfa Webworm Caterpillars
In the last couple of weeks, we have received numerous reports of small green caterpillars in soybean and sunflower. The caterpillars have been described as producing webbing and moving extremely quickly when disturbed.
Slugs Causing Issues in Some South Dakota Wheat Fields
Slug activity in wheat fields has been reported in South Dakota. Although slugs are not normally an issue in South Dakota crops, they can pose a threat when field conditions are just right.
Check Alfalfa for Blister Beetle Activity
Blister beetles are becoming more common as we progress through the growing season. Recently, there have been multiple reports of blister beetles showing up in alfalfa fields.
Start Scouting Fields for Thistle Caterpillar Activity
Many of our summer insect pests overwinter in the Southern U.S. and rely on wind currents to travel north in the spring and summer. The thistle caterpillar is one of those pests.
Snails Observed in South Dakota Sunflower
Last week we received reports of snail populations causing issues in South Dakota sunflower fields. Snails are normally not an issue in South Dakota crops but like their slug relatives, they can pose a threat to crops when field conditions are just right.
Grasshoppers Are Causing Concerns in Close-to-Harvest Winter Wheat
During the end of last week, we received reports of grasshoppers feeding on winter wheat that was close to being ready to harvest. One of the questions with the report was, “What insecticide can be sprayed that won’t delay harvest?”
Soybean Defoliators Are Active
It’s that time of the season when numerous defoliating insects can be observed in a single soybean field. Most of the defoliators at this time are green cloverworms and alfalfa caterpillars.
Squash Vine Borers Strike Again: This Time They’re in the Produce!
The larvae of the squash vine borer can wreak havoc on squash plants by boring into the stems and slowly killing the plants. Unfortunately, they’ll do even more than that. They will also invade the developing produce.
Imported Cabbage Worms Are Chewing up My Garden!
One of the worst things to observe in your garden are caterpillars heavily defoliating your plants. But unfortunately, that’s exactly what the imported cabbageworms (cabbage white) caterpillars do.
Pollinators Party
In this lesson, participants will learn how plants reproduce and how to identify pollinators that help plants.