We have received reports of false chinch bug populations in canola this week. Heavily infested canola fields will sometimes appear drought stressed, but closer inspection reveals that false chinch bugs are the culprits for the wilting plants.
Content by Patrick Wagner
Summer is here, and so are the opportunities to enjoy the long days and warm weather. Ticks and mosquitoes share the outdoors with us, and there are things you can do to prevent bites from both.
During most years, we start worrying about true armyworm activity in wheat fields in mid-July. However, the strong southerly winds that we experienced during the last two weeks pushed several insect pests north ahead of their normal schedule
Bronzed cutworms can be an issue for lawns and gardens in South Dakota. In grass, bronzed cutworms will feed and leave small brown circular patches. Large populations of bronzed cutworm can result in severe lawn injury.
Flea beetles have been out in full force so far this year. This group of herbivorous beetles can be a pest of many different garden plants, including tomatoes, peppers, beans, squash, lettuce and others.
Over the weekend, a SDSU Extension collaborator reported that soybean gall midge adults had been captured in Southeastern South Dakota. These are the first adults that have been observed in South Dakota in 2020.
Of all of the potential early season pests, the seedcorn maggot is rarely an issue in South Dakota. However, we have started receiving reports of soybean fields that have poor emergence or seedling stand reductions occurring.
The 2018 and 2019 alfalfa weevil populations were relatively low, and as a result, we didn’t receive very many calls regarding this pest during those years. However, 2020 has been quite a bit different, and alfalfa weevil populations seem to be much higher.