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Patricia from Hamilton writes

Will liquid Sevin kill European Hornets on lilac bush?

I have an infestation of European Hornets on my lilac bush and they are girding the branches and killing the bush. If I spray liquid Sevin at their chew sites, will it kill them? Is Sevin systemic, i.e. will they take it back to their nest and kill other hornets?

Answer:

Sevin Concentrate is not labeled for hornets or other stinging insects so would not be recommended.  It is not systemic and would not be carried back to any nest, either.  A better option would be to use a product like Bifen IT on the bushes to help control those that contact a treated area.  We also have a great guide on treating waps and hornets here.

Answer last updated on: 09/04/2017

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Sevin Concentrate

Sevin Concentrate

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