Japanese Beetle Natural Checks

**T* <t*@thewritegardener.com>**

Noel,

Thanks for the info. I knew that it wasn't a problem in Japan due to natural
predators there. However, I wasn't aware that a parasitic wasp had been
introduced here. I read the entomology newsletter and couldn't quite see
where the wasp had been introduced. You sound very confident that some
control of the JB may be realized. I wish I could have such hope!

TC

> T.C.,
>
> In Japan, the beetles are hardly a problem, a native parasitic wasp keeps
> their populations from exploding.  That wasp has been introduced here with
> limited, but some success:
>
> http://www.entomology.wisc.edu/mbcn/fea508.html
>
> The beetle has been in the U.S. since at least 1912.  Where is is long
> established, birds and other predators start to impart some control. The
> pest has only been in this part of Wisconsin for four years.  It is still
> on
> an upcycle but eventually nature will slow it down and make it more
> manageable.
>
> Noel Valdes
> CobraHead LLC
> W9545 Hwy. 18
> Cambridge, WI 53523
> 608-423-9119 tel
> 866-962-6272 toll free
> 608-423-4884 fax
> info@cobrahead.com
> www.cobrahead.com
> www.cobrahead.com/blog
>
>
> On Mon, Jul 20, 2009 at 9:13 PM, TC <tc@thewritegardener.com> wrote:
>
> > Noel,
> >
> > I'm not aware of any "natural checks" for Japanese beetles. Please
> explain.
> >
> > Thanks!
> >
> > TC
> >
> >
>
>
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> End of gardenwriters Digest, Vol 78, Issue 23
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>
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