Blister Mite On Walnuts
Categories: Pests and Diseases of PlantsI am sending you some walnut leaves with some swellings an them. They
are very plentiful on some trees here. Is the trouble serious and will
it spread?
This is merely Erinose, or Blister Mite, which is a very common trouble
on walnuts, but does not do enough damage to call for methods of
control. These swellings are caused by numerous, very small insects
which live within the blisters on the under side of the leaf amongst a
felt-like, heavy growth which develops there. While this effect is very
common, it produces no appreciable injury and needs no treatment for its
control.
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