Re: Cult: Spathe borers

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• Subject: Re: [iris] Cult: Spathe borers
• From: D*@aol.com
• Date: Wed, 22 Jun 2005 01:52:44 EDT
• List-archive: <http://www.hort.net/lists/iris/> (Web Archive)

In a message dated 6/11/05 6:31:02 PM Eastern Daylight Time, 
chrisdarlington@videotron.ca writes:

> Does anybody have problems with moth larvas that bore through the spathes 
> and demolish the entire bloom ?  I'm having great difficulty controling these 
> things and wonder what others do to put an end to the damage caused by these 
> pests.  These little white borers are about 1/4 long and have two little 
> black specks for eyes.   I treated lightly with Cygon 2E about three weeks ago 
> but it was was either ineffective or not timely.

Hi Chris,

We had an unusually high amount of this this year even though we had sprayed 
with Merit.  I don't know what conditions favored this problem.  I assume they 
were regular iris borers that did the damage.

Dorothy Willott
Northern Ohio, Zones 5 & 6

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