What kinds of matricides are effective with controlling the
two-spotted spider mite? Forceful water spraying is not an option
with tender plants, plus I have had issues with black spot. Is
there an alternative to Malathion? (Is this effective?) Can't use a
systemic on edibles. Does Raid (Home and Garden) dissipate after some
weeks? I've looked for preditors, but these are not so easy to
If you must kill them, you can get very effective results by using
insecticidal soap, which is now sold everywhere. Follow the label
directions for spider mites. There are plants which you should't use
insecticidal soap on, so really be sure you read those too. All right
there on the label.
The trick is to spray the plant undersides of the leaves and saturate
it at least 3 times, 4 days apart. Do not use more than suggested on
the bottle as this can also kill the plant by burning the foliage in
the hot sun. For this reason, I say do it at dusk.
John A. Keslick, Jr.
Beware of so-called tree experts who do not understand tree biology.
Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us
that we are not the boss.
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