Content by Philip Rozeboom
Black Grass Bug Activity Expected in Coming Weeks
Spring green-up is the time to be watching for black grass bug activity. Large populations of this early-season pest can cause severe damage to pasture (up to 90% forage reduction) and infest the edges of wheat fields.
Ticks Becoming Active in South Dakota
The arrival of spring in South Dakota means warmer weather and more outdoor activities. However, it also brings an increase in tick activity.
Alfalfa Weevil Activity Prediction Update: April 20, 2020
During the last week, the colder weather that we experienced across South Dakota resulted in very little degree day accumulation. However, in some areas enough degree days have accumulated to potentially lead to adult activity within alfalfa fields.
Alfalfa Weevil Activity Prediction Update: April 14, 2020
The alfalfa weevil is a major spring insect pest of South Dakota alfalfa. Before 2018, this insect was reported as having large populations throughout much of South Dakota. However, during 2018 and 2019, we received fewer reports of alfalfa weevils, which may have been a result of the cooler and wetter spring conditions that were observed.
Winter Ticks in South Dakota
Winter ticks, also called moose ticks, are unlike other tick species because they are active during the winter months.
Broad-Headed Bugs in Soybean: Should You Be Worried?
This week we received a report of insects infesting a soybean field. However, they weren’t insects that we generally think of when the term "soybean insect pests" comes up.
Insects are Invading My Produce!
Ripe fruit that has been injured as well as ground fall fruits often attract undesirable insects into an area.
What are Those Large Beetles in My Garden?
One of the insects that starts to attract attention this time of year is the bumble flower beetle.
Are There Praying Mantises in South Dakota?
The short answer to the title of the article is "yes." Both the European mantis and the Chinese mantis can be found in South Dakota. As their names indicate, neither species is native to North America.
Scouting for Grasshoppers in Pasture and Alfalfa
For 2019, we have either received reports of very high grasshopper numbers or of very low or nearly absent populations. Most reports of high populations have originated from areas near rivers and other waterways. This suggests that the rich foliage along the banks of waterways has provided excellent habitat for grasshoppers and has boosted their populations in those areas.