Answer: Bees are actually excellent for pollinating your plants, so exterminating them would be a last resort. If you have water, they will likely visit, and they may even be attracted by flowers in your garden. Check out the plants you have around your pond and if you have flowering shrubs or flowers then you might want to decide on another plan for your glandscape. There are so many beautiful oriental grasses, colorful foliaged shrubs, etc., that would look equally as beautiful near your pond area. Most plant nurseries have a section for pond plants.
Because most wasp, bee, and hornet killers are sprays, they could easily get into the pond and harm the fish and other animals, perhaps killing them. Rain runoff could also drain any pesticides into the pond. Thus, pesticides should be avoided near a pond. You may just have to live with the bees, or phone an exterminator. A professional can find the nest and if it is near the pond can remove or destroy the nest without harming your koi.
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