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nafex - Re: [NAFEX] japanese beetle questions

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  • From: "hector black" <hblack1925@fastmail.fm>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] japanese beetle questions
  • Date: Wed, 13 Jun 2007 20:52:49 -0500

Early morning brusing them into a pail of soapy water works fine with us. We have tried spraying the blended bodies back, but found not change in the beetle population. One other thing that seems to work is granite dust early in the morning when the leaves are still wet with dew. Gets into their armor and the seems to move away. Doesn't kill them.
Spined soldier bugs also kill them, but there are never enough of them.
I've heard, but never experienced, that if you have Guinea hens, they will come eat the ones you knock off the vines or whatever they're on.
Hector Black zone 6 middle TN...Beatles have just arrived
----- Original Message ----- From: <drosehngs1@juno.com>
To: <nafex@lists.ibiblio.org>
Sent: Wednesday, June 13, 2007 7:31 PM
Subject: [NAFEX] japanese beetle questions



I have some questions on japanese beetle eradication/usage, if I may.
As I'm considering growing old garden roses (in addition to berry
bushes and, hopefully, paw paw, as a followup to recently planted
rugosa bushes) it seems inevitable that japanese beetles (already in
the area) will become endemic. Any thoughts would be appreciated.

1. I've recently read of a couple of ways to remove/gather japanese
beetles. In the morning (while the dew is weighing them down) they can
be picked/pushed off into (soapy?) water. Alternately, a sugar/yeast
solution can be put into plastic gallon containers (of which I have a
plethora between $4/gallon milk & $1/gallon water) to attract them -
they check in but don't check out. The beetles can then be put in a
blender & sprayed on susceptible plants, which the beetles would then
find repugnant due to their scenting a member of the family.

How well does this work? Can the solution be applied to other
susceptible plants (e.g.-grapes) with success? Should the blended
beetles consist of just the morning ones, or would the sugar/yeast
solution be outweighed by the "beetle juice"? How often would spraying
be required (was thinking late morning & early evening)? What effect
would this have on the roses/other plants (i.e.-fertilizer? cause black
spot or mildew?)?

2. Re paw paws - I understand that a way to attract the proper insect
pollinators is to hang roadkill from the trees. Although this sounds
appealing, might the "beetle juice" work as well?

3. Am I missing anything here?

George Drosehn
Northern Delaware - zone 7 (from whichever of the 2 charts you choose)





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