Iowa: Another Tough Winter for Bean Leaf Beetle Apr 28, 2022

🕔Apr 28, 2022
Bean leaf beetle adults are susceptible to cold weather, and most will die if exposed to air temperatures below 14°F. However, they avoid harsh temperatures by burrowing under plant debris […]

Corn Rootworm: New Website Helps Growers Track This Pest – DTN Jun 25, 2021

🕔Jun 25, 2021
Knowing your rootworm risk level is about to get easier. A new website launched Thursday, Corn Rootworm IPM, which includes an interactive map of rootworm sticky trap results, for both […]

Iowa Corn: Begin Scouting for Black Cutworm May 15, 2021

🕔May 15, 2021
Black cutworm (BCW) is a migratory pest that arrives in Iowa with spring storms each year. It is sporadic and unpredictable, making it essential to scout to determine whether BCW […]

Northern Iowa: High Mortality Rates for Bean Leaf Beetle Apr 23, 2021

🕔Apr 23, 2021
Bean leaf beetle adults (Photo 1) are susceptible to cold weather and most will die when air temperatures fall below 14°F (-10°C). However, they have adapted to winter by protecting […]

Iowa: Seedcorn Maggots Get an Early Start Apr 12, 2021

🕔Apr 12, 2021
Seedcorn maggot is a seed and seedling pest of corn and soybean. The larvae, or maggots, feed on germinating corn and soybean seeds or seedlings. Feeding can delay development or […]

Soybean Gall Midge Brown Bag Series Jan 8, 2021

🕔Jan 8, 2021
Soybean gall midge is an emerging pest that only occurs in five Midwest states. Researchers in Nebraska, Iowa, Minnesota, and South Dakota began investigating this pest in 2019 after widespread […]

Iowa Corn: What Insects Are Active in Fields? Aug 14, 2020

🕔Aug 14, 2020
Caterpillars have been extremely active this year, especially in soybean. We suspect that late-season infestations of caterpillars in corn are no exception. These infestations are serious because these caterpillars feed […]

Midwest Crops: Hot, Dry Summer Invites Two-Spotted Mites – DTN Aug 3, 2020

🕔Aug 3, 2020
Watch out for an opportunistic pest that thrives in the summer heat: the twospotted spider mite. In normal, well-watered years, insect predators and certain fungi prey on these tiny mites, […]

Iowa Corn, Soybeans: Scouting for Spider Mites Jul 20, 2020

🕔Jul 20, 2020
As parts of Iowa enter severe drought on July 14, I encourage you to scout for twospotted spider mites in crops. Twospotted spider mites can increase whenever temperatures are greater […]

Iowa: New Trapping Network for Corn Rootworm May 26, 2020

🕔May 26, 2020
Western and northern corn rootworms are serious corn pests in Iowa and the Corn Belt, reportedly responsible for over 1 billion dollars in yield loss and control costs annually in […]

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