This spring, there have been multiple reports of people seeing large fly-like insects in their yards. These insects are sawflies, and all reports thus far have been the elm sawfly (Cimbex americana).
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Fact sheet about insecticide treatment options for protecting ash trees against emerald ash borer.
The chances of a wet October increased with the latest climate outlook update, released on September 30, 2019. In the first few days of the month, rain or snow has scattered across much of the state. There hasn’t been a heavy rain or snow event this month. The outlook shows odds leaning towards much of the same pattern in the weeks ahead.
September 2019 has been pleasantly warmer than usual, and our crops need every bit of that warmth to reach maturity before our first frost arrives. Fortunately, temperatures have cooled slightly this week but just to near average for this time of year.
According to the latest climate outlook update, odds are favoring that August 2019 will be cooler than average. The update was released by NOAA’s Climate Prediction Center on July 31, 2019.
Many locations in South Dakota have already received as much precipitation this year as they do in an entire average year. The latest climate outlook from NOAA’s Climate Prediction Center shows increased chances of wetter than average conditions to continue into the fall season.
Black vine weevils are now showing up across the state. It is typical for the adult beetles to emerge in early summer and begin feeding on plant foliage. They primarily feed on lilacs and yews, both common landscape shrubs. Although the adults cause minimal damage, their larvae feed on the roots and can occasionally be a threat to ornamental plants, especially those grown in pots or containers.
With the continued moisture and warmer temperatures, carpenter ants have become a more common appearance in South Dakota. Similar to termites, this insect can be a structural pest, causing damage to homes and other buildings. It is important to identify and treat carpenter ants early to prevent any potential damage.
This year’s seasonal pattern of wetter than average conditions is projected to continue through July and the rest of the summer season. The latest climate outlook, released June 20, 2019, shows an increased chance of wetter than average conditions in the next one to three months for the state of South Dakota.
As South Dakota emerges from the wettest 12-month period in 124 years of climate recordkeeping (June 2018-May 2019), June has started warmer and drier than average. The outlook, however, turns towards cooler and wetter than average again for the middle of the month.