Category Archives: Insects

Have you forgotten what a beet armyworm looks like?

Author: Scott Stewart, IPM Extension Specialist No Comments

I’ve had a few calls from the Mississippi River Bottom about armyworms in soybean and even in some Bt cotton. I’ve also had a few people complaining about a lack of control with insecticides and the fact that larvae were eating pigweed and then moving into the crops. This is a pretty good sign you are dealing with beet armyworm (as opposed to fall armyworm). Continue reading

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Entering Crunch Time for Scouting Soybean Insects

Author: Scott Stewart, IPM Extension Specialist No Comments

It’s the time of year where soybean insects are much more likely to cause us problems, and it is important to vigilantly scout. Although stink bug populations are behind schedule, they are becoming more common. I’ve received numerous questions about a complex of pests including Continue reading

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Report Finds of Brown Marmorated Stink Bugs

Author: Scott Stewart, IPM Extension Specialist No Comments

I’m just putting the word out to report any finds of brown marmorated stink bug (BMSB). This is especially for those located in the western one-half of the state. This invasive pest is well established in the eastern parts of the state, around Nashville, and has been found in at low numbers in soybean in Shelby (2015) and Madison Counties (2016). However, Continue reading

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Sweet sorghum, grain sorghum, and sugarcane aphids

Author: Scott Stewart, IPM Extension Specialist Comments Off on Sweet sorghum, grain sorghum, and sugarcane aphids

We have much fewer acres of grain sorghum planted in Tennessee this year, and I’ve spent a lot less time blogging or answering questions about sugarcane aphid. That has not stopped this pest from being present in most sorghum fields. Please refer to my many previous articles about managing this pest during the last two years … just search for sugarcane aphid in the search bar. There are a couple of things you need to be aware of before making an insecticide application (see below). Continue reading

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Bean Leaf Beetles in Soybean … And More

Author: Scott Stewart, IPM Extension Specialist Comments Off on Bean Leaf Beetles in Soybean … And More

I’ve had several calls from the Mississippi River Bottoms and the southern counties of West Tennessee about high numbers of bean leaf beetles, sometimes as many as 200-400 per 100 sweeps.  Bean leaf beetle feed primarily on foliage in the upper part of the canopy. They occasionally will feed on pods, although this occurs rarely and is hard to predict. Continue reading

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