Bryan Jensen, Dept. of Entomology, UW Madison Read the title closely! This article is about fall armyworm, Spodoptera frugiperda, not true armyworm Pseudaletia unipuncta which we normally think about during our summer growing season. Fall armyworm …
Insects & Mites
Corn Rootworm Beetle Scouting
Bryan Jensen, Dept of Entomology and Division of Extension, University of Wisconsin-Madison We are rapidly coming to that time (early – mid August) when adult corn rootworms will start laying eggs in corn fields and …
Time to get the spade out! Corn rootworm
Bryan Jensen, Department of Entomology and Division of Extension, UW-Madison Grab the shovel and start the power washer. Now is the perfect time to learn how well your corn rootworm management practice worked. Most of the …
Soybean Gall Midge
Bryan Jensen, UW Dept. of Entomology, Division of Extension It took a call and a sample to remind me that I should get out a quick reminder out for people to be looking for signs …
Western Bean Cutworm
Bryan Jensen, Dept. of Entomology, University of Wisconsin-Madison Checking statewide degree days it looks like the majority of the state should be scouting for western bean cutworm. Pheromone traps have been established at sites throughout …
Two-spotted spider mites and dry weather
Bryan Jensen, Dept. of Entomology, University or Wisconsin-Madison Two-spotted spider mites (TSSM) have been a difficult one to predict this year. Early season drought conditions really concerned me. Lately, spotty rains seemed to slow generational …
Corn Rootworm Damage
Bryan Jensen, UW-Madison Dept of Entomology No calls or emails have been received regarding lodged corn from rootworm feeding but I suspect they will be coming soon. Let’s take a couple minutes to prepare just …
Drought impacts on insects and mites
Bryan Jensen, Dept. of Entomology and IPM Program How is this drought going to impact insect and mite pests on field crops? Well, there is an old adage that only fools try to predict the …
Aphids in Alfalfa and Wheat
Bryan Jensen, Dept. of Entomology and IPM Program Alfalfa: When checking new alfalfa seedings for potato leafhoppers on the Arlington Agricultural Research Station (there weren’t many, yet) I could not help but notice a lot of …
Armyworms
Bryan Jensen, Dept. of Entomology and IPM Program I have had several messages from consultants wondering about armyworms. Are they here? Have there been problems? Am I missing anything? To date, I do not know …