Tag: Ashley Dean
Iowa: New Counties Confirmed with Soybean Gall Midge in 2022 Aug 24, 2022
Several labs in the Midwest have been monitoring the distribution of soybean gall midge in Iowa since 2018. Last year, we sampled many counties in western Iowa but only confirmed […]
Iowa Corn, Soybeans: Dry Conditions Causing Spider Mite Issues Aug 11, 2022
Twospotted spider mites have been noted in fields across much of Iowa already this summer, as much of Iowa is in abnormal or extreme drought (D0-D3, US Drought Monitor). Scouting for […]
Iowa: Another Tough Winter for Bean Leaf Beetle 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 […]
Iowa Corn: Begin Scouting for Black Cutworm 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
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
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
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
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 […]
Iowa: Non-Bt Corn? Plan to Scout for European Corn Borer Jun 12, 2020
Farmers have enjoyed the benefits of Bt corn since its introduction in 1996, particularly “in the bag” transgenic protection from insect pests and the yield loss they inflict. European corn […]
Iowa: New Trapping Network for Corn Rootworm 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 […]