[nafex] Pruning Worm

Dr. Ethan Natelson natelson at pipeline.com
Wed Jul 4 07:56:24 EDT 2001

Dear Doc,

     I assume you are referring to the limb girdler.  This is an insect
about 1 inch long and armored like a Sherman tank.  They are grey-brown and
difficult to see against the bark.  They form a ring around the limb, which
is then girdled and eventually falls off.  They lay their eggs in the shaft
of the part of the branch that remains.  They are difficult to kill.  They
prefer Mimosa trees but will even girdle thick Wisteria vines, when active.
I solved my problem with a 20 foot length of hollow aluminum tubing about 10
years ago.  I would spot the varmints high in the tree at the site of their
activity and then nudge them with the pole.  They would fall into the hollow
tube, taking the slide down to ground level where they could be disposed of.
After 2 seasons of this technique, their population declined to zero, never
to be seen again.

                                   Regards, Ethan


At 10:26 AM 7/4/01 -0000, you wrote:
>What is the worm/insect which cuts the branches off persimmon
>and nut trees?
>I've seen their work all my life but never seen the insect.
>They have never been a problem until last year when one cut
>two leaders off two of my heartnut trees.
>Any way to eliminate them? Doc Zone 7/8
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 


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