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Re: CULT: borers


THE BORER MOTH LAID HER EGGS LAST FALL IN THE LEAVES OF THE IRIS AROUND THE
PLANT , THIS SPRING THE FIRST DAYS OF 72 DEGREES OR MORE, THEY HATCH,CEAWL
INSIDE THE LEAVES AND EAT TILL THEY GET BIG ENOUGH TO GO ON DOWN IN THE
RHYZOMES, WHICH IS ABOUT MAY, HERE IN ZONE 5, AND CONTINUE TO EAT TILL AUGUST
WHEN THEY THEN GO INTO GROUND AND PUPA.THEY STAY TILL ABOUT THE LAST OF OCT.
AND HATCH INTO ITS MOTH TO FLY AGAIN TO LAY MORE EGGS TO REST OVER WINTER, AND
HERE WE GO AGAIN NEXT SPRING. SAME OLD CYCLE.IF YOU KEEP ALL DEAD LEAVES
PULLED OFF ALL THE TIME THEN THERE WILL BE LESS CHANCE OF EVER GETTING ANY
BORERS AT ALL . IF YOU DO GET THEM SPRAY WITH CYGON 2 E IF YOU CAN FIND IT.
THEY ARE TRYING TO PULL IT OFF THE MARKET AND NONE OF US WILL GET IT
ANYWHERE.HOPE THIS HELPS.ANY MORE QUESTIONS PLEASE WRITE US . THAT'S WHAT
WE'VE BEEN IN SCHOOL FOR THE LAST 16 YEARS FOR . IF WE CAN'T ANSWER IT WE WILL
FIND SOMEONE WHO WILL ANSWER THE QUESTION.

----- Original Message -----
From: Char
Sent: Friday, April 25, 2003 11:45 PM
To: iris@hort.net
Subject: Re: [iris] CULT: borers

Hi Laurie,

Think about a bag of White Grub Lawn Treatment by Bayer, Fleet Farm or Wal
Mart.  Less expensive and does the job.  We have had good luck with it here
in Wisconsin.

YES! Do buy something yesterday already!

Char Region 8

laurief wrote:

> Hi All,
>
> I was out cleaning beds this morning and found a larval stage of
> something crawling around on the soil inside an MDB clump.  It was maybe
> around 1/2" long and looked like it might possibly have been a borer
> larva, but I doubt it could be.  Up here, we have had a couple freakishly
> warm +70 degree days so far (a week or so ago and not consecutively, if
> memory serves).  At any rate, even if borer eggs did manage to hatch
> during that brief warmth, they surely wouldn't yet be as plump and long
> as this little thing was this morning.  But it did get me wondering again
> about a question I posed to the list at about this same time last year
> .. and which no one attempted to answer.
>
> Where does a hatchling borer go if there are not yet any iris leaves for
> it to crawl up on and chew its way into when it hatches?
>
> My MDBs and SDBs are showing an inch of growth or less.  TBs are mostly
> still dormant or just starting to show green tips at the soil surface.
> If we get two or three consecutive 70+ degree days - could happen anytime
> - which will supposedly trigger borer hatch, will they bore directly into
> the rzs in lieu of leaves which have not yet appeared?  Does anyone know?
>
> Bewildered and thinking I should be buying a bag of Merit pretty darn
> quickly!
>
> Laurie
>
> -----------------
> laurief@paulbunyan.net
> http://www.geocities.com/lfandjg/
> http://www.angelfire.com/mn3/shadowood/irisintro.html
> USDA zone 3b, AHS zone 4 - northern MN
> acidic clay soil
>
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