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Holly Infestation

John Grumbine innocomp at nb.net
Fri Jul 9 14:06:29 EST 1999

Guy Bradley wrote in message <37864179.975C723A at inlink.com>...
>Maria Luna and Mark Bornfeld wrote:
>> My holly bush is totally infested with something I cannot identify. The
>> underside of almost every leaf has multiple white silky deposits of
>> consistent shape and size: about 1 centimeter long, 3 millimeters wide
>> and ½ millimeter thick. Some of the plaques have a black spot at one
>> end. Although it has not caused a large proportion of the leaves to be
>> damaged, some are dropping off, completely brown (I don't know if the
>> leaf damage is related to the white stuff).
>> Any ideas as to what may be the problem and how to eradicate it?
>I'm not sure and have never had this infestation on my holly, but
>consider scale. These insects have sucking parts and are white and about
>the size you describe. They do attach themselves to the undersides of
>the leaves. Holly leaves are pretty tough, so these guys must be

It's worth noting, if you're not familiar with scale insects, that scales
don't look anything like you would expect insects to appear.  They have no
legs or other discernable bodyparts - they just look like a lump of
something stuck to a leaf or branch.


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