Re: iris borer, Iris tectorum

 

The iris borer does indeed exist west of the Mississippi River.  It is also found west of the Missouri River.  I am in Lincoln, Nebraska (southeast Nebraska) and the borer is very  much alive and thriving here.  It does disappear west of us in central Nebraska.  It does not exist in western Nebraska, and does not get to the Rockies.  The Mississippi forms the border between Illinois and Iowa, and Nebraska is a few hundred miles west of the Mississippi.  

Gary White


On Monday, March 9, 2020, 05:56:09 PM CDT, Betty G bettyg@cybermesa.com [iris-species] <iris-species@yahoogroups.com> wrote:


 

Can tbose of you who responded to this post, please indicate where in the US you are growing irises?  I have heard that iris borers do not exist west of the Mississippi.  Can any of you let me know if it has crossed the Mississippi?

Betty


On 3/7/2020 5:33 PM, dkramb d*@badbear.com [iris-species] wrote:
 

Does anyone know if Iris tectorum is susceptible to iris borer? And if
so, like to what degree compared to beardeds?

Thanks,

Dennis in Cincinnati

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