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 …
Insects & Mites
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 …
Insects that reduce plant stands, Wireworms and seedcorn maggot
Bryan Jensen, Dept of Entomology and IPM Program Many things that can lower corn and soybean plant stands. Insects are only one. However, they are one factor that should be considered for those “less-than-optimal” stands. …
Black Cutworms
Bryan Jensen, UW Dept. of Entomology and IPM Program Results from DATCP’s Black Cutworm Pheromone Trap Network has indicated several significant flights of black cutworm adults around the state. Other midwestern states have also reported …
Alfalfa Weevil
Bryan Jensen, Dept. of Entomology and IPM Program A heat map of alfalfa weevil degree day accumulations (WDD) indicates the southern tier of Wisconsin counties have just met the 300 WDD trigger to start scouting. …