Iowa: Black Cutworm Moth Counts Jump “Significantly” In Multiple Counties

🕔May 15, 2019This week we begin Week 7 of moth trapping in Iowa. Significant captures of black cutworm (BCW) have occurred in several counties during weeks 3-6 of trapping (bold and * […]

Iowa Corn, Soybeans: Seedcorn Maggots Present – What to Know

🕔May 15, 2019Seedcorn maggot is a seed and seedling pest of corn and soybean. Plant injury is especially prevalent during cool and wet springs. The larvae, or maggots, feed on germinating corn […]

Iowa Corn: Scouting for Black Cutworm in 2019

🕔May 15, 2019Black cutworm (BCW) is a migratory pest that cuts and feeds on early vegetative-stage corn. Black cutworm moths arrive in Iowa and other northern states with spring storms each year. […]

Iowa: Soybean Aphid Egg Hatch Starting in Northern Counties

🕔May 3, 2019Iowa’s most significant soybean insect pest, soybean aphid, has host-alternating biology. This species has multiple, overlapping generations on soybean in the summer and moves to buckthorn in the winter. Fall […]

Iowa: Aid Sought in Trapping, Monitoring Migratory Pests

🕔Feb 25, 2019The IPM team at Iowa State University has been monitoring for field crop pests for a long time. The target pests have changed over the years, but the goal always remains the […]

Iowa: Soybean Aphids – 2018 Insecticide Evaluation

🕔Jan 28, 2019Project Description Plots were established at two locations in 2018 (ISU Northwest Research Farm and ISU Northeast Research Farm). Syngenta NK S24-K2 brand soybean was used at both locations. Seven insecticidal […]

Iowa: Soybean Gall Midge Showing Up in 18 Counties – DTN

🕔Sep 12, 2018Soybeans farmers in southwestern Iowa are engaged in a frustrating battle with a new pest called soybean gall midge. Last week concerned growers gathered at the Iowa State University (ISU) […]

Iowa Soybeans: When Is it Too Late to Spray for Soybean Aphid?

🕔Aug 8, 2018Soybean aphid is the most important insect pest of soybean in Iowa. Foliar insecticides, mostly pyrethroids and organophosphates, have been the primary management tactic for soybean aphid in Iowa since […]

Iowa Corn: Got Aphids? 10 Considerations Before Spraying

🕔Aug 2, 2018Since 2010, aphids have been colonizing corn later in the summer and are building up to striking levels in Iowa. They can be found at the base of the stalk, […]

Iowa: Soybean Gall Midge – A New Pest for Producers

🕔Aug 1, 2018n 2016 and 2017, there were isolated reports of soybean injury by soybean gall midge in northwest Iowa. Confirmations were reported in 2011 from Nebraska and in 2015 from South […]

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