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Caterpillar Alert!

tussock moth

I have had several customers bring me Tussock Moth Caterpillars they found munching on their oak tree leaves.

The creamy white hairs on the caterpillar are long and bristle-like and spread out in tufts down the sides. Two long, sharp black pencil like hairs protrude near the front and rear and these hairs are connected to poison glands, which excrete venom on contact. Contact with the venom may result in itchy irritation.

You can spray your tree with Hi Yield Thuricide Concentrate or Natural Guard Spinosad Hose-end. Both of these products are organic and safe to use on all plants. Thuricide reacts with the cells of the stomach lining of the target pest causing them to not be able to feed within hours of ingesting. Spinosad is a contact kill, but still safe and organic for all plants.

(photo via ocala.com)

-DeAnna

Reader Interactions

Comments

    • james says

      Thruricide will not harm ladybugs at all, Spinosad is quick to break down so you would not want to spray on ladybugs, but the area will be safe for them next day or day after.

  1. Charlene says

    My oak has obviously already had severe leaf damage unless some of the branches are dead from something else.How long until leaves come back?

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