Summary of article in Ornamental Outlook, July 2004 by John M.
Ruter

Pest symptoms/damage treatment

Maple Tip Borer tips of twigs and maybe synthetic
pyrethroids
and maybe base of trunk
show borer damage

Flatheaded Apple base of trunk
imidacloprid
Tree Borer

Leafhoppers damage of new growth none listed

Scales leaves and trunk depending
dormant oils
upon type of scale

Spider mites defoliation
none specific
listed

Ambrosia Beetles attack stressed container none
listed
grown trees

Greenstriped Maple don't use
Orthene on
Worm Maples

Tar Spot not usually bad enough
to warrant spraying

Bat Canker also brought on by wet weather
Best controlled
by
Root Rot over watering in
containers goof
cultural practices

more information http://edis.ifas.ufl.edu

Thanks, Billy. A suggested control for the ambrosia beetles
would be the BT strain that will take care of Japanese beetles.
Since we don't have J.b's here, I don't know which one that is --
read the label.

Nice to know the list works. This is the first mssg today. For
me.

Jim Lewis - - Tallahassee, FL - Bonsaiests
are like genealogists: We know our roots!

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