Stopping the Caterpillar Invasion

Invasion of the Currant WormsYou may have noticed we have some unwanted guests in our garden. Imported currant worms (or sawflies) are eating all the leaves on the currant bushes.

According to Pesticide Free BC’s website some solutions for dealing with leaf eaters are insecticidal soaps, Bacillus thuringiensis (Bt), and physically picking off the pests. I bought some Safer’s BTK biological insecticide in the hopes that it would kill of the currant worms, but apparently currant worms are neither caterpillars nor flies and cannot be controlled with Bt.

Safer’s Insecticidal Soap might help to kill of the currant worm larvae, but we’ll have to pick off the adults by hand.

Anyone have other ideas?

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About canadianveggie

I enjoy exploring the great outdoors, eating good vegan food, cycling around Vancouver, solving problems with software, learning about urban planning, and discussing politics.
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One Response to Stopping the Caterpillar Invasion

  1. kim says:

    So when I was out in the garden yesterday, I ran into 2 of the maintenance gardening crew. I pointed out the problem with the currants, and they said they would take care of it. They assured me that they would use an organic method (such as the Safer’s Insecticide Soap you mentioned) to deal with the issue. They didn’t have any of the soap with them at the time, but will bring some next week.

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