Soybean Insects

C.O.R.N. Newsletter Articles

  1. The Western Agricultural Research Station Agronomy Field Day will be held July 17th. The station is mostly planted but everything went in on the edge – as you saw it on your farm too. Hear our researchers thoughts and recommendations on how to manage this interesting season.

    A couple of items we will walk through are:

    Issue: 2019:20
  2. Author(s): Kelley Tilmon , Author(s): Andy Michel

    As farmers progress with soybean harvest we encourage you to take a quick look at your grain quality, especiallyStink bug damage in soybean at field edges.  We have been receiving reports of the deformed and discolored beans typical of stink bug damage.  If your beans show signs of stink bug damage (or even if they don’t!) consider incorporating stink bug scouting into your managem

    Issue: 2018-33
  3. Author(s): Kelley Tilmon , Author(s): Andy Michel

    Although the growing season is winding down, we are still receiving some reports of insect activity and damage in soybeans.  At this point, the risk is mainly to late-planted or double-cropped beans that are still maturing and still green when other fields are yellowing.  Late-season soybean aphids, which feed on sap, do not cause yield drag after seed fill is complete.  Stink bugs, grasshoppers, Mexican bean beetles, and bean leaf beetles can feed on pods later in the season.  

    Issue: 2018-31
  4. Author(s): Kelley Tilmon , Author(s): Andy Michel , Author(s): Clifton Martin, CCA

    Mexican Bean Beetle adult (left) and larva (right).  Photo by R. Hammond.

    Issue: 2018-28
  5. Author(s): Kelley Tilmon , Author(s): Andy Michel

    We have heard a few reports of either bean leaf beetles or grasshoppers increasing in soybeans.  As we start to approach the end of the growing season the larger concern with these insects is the potential for pod feeding, rather than foliage feeding.  Pod feeding directly impacts grain quality.  Crop stage is also an important consideration.  Late-planted fields or double-cropped soybeans which are still green when other fields are drying down can be “trap crops,” attracting both bean leaf beetles or grasshoppers leaving the other fields.  Such fields bear close watching. 

    Issue: 2018-27


  1. 01/2011

    Control of Insect Pests of Field Crops, Bulletin 545. Gives detailed information on pest control thresholds and insecticide options for management of insects in corn, soybean, wheat and alfalfa.

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