Things You'll Need
Insecticides
Spray bottles
Powdered insecticides
Hand bellows
Mesh
Bumblebees are big, furry black-and-yellow insects that can range in size from 3/4 of an inch to 1 1/2 inches. They carry a nasty sting and should be approached with caution. When considering the control of bumblebees, it's worth keeping in mind that these little creatures are beneficial, as they pollinate flowers while they collect pollen. This is an essential task and they are a welcome sight for avid gardeners. Bumblebees have nests on the ground in a protected hole or under rocks and decks.
Step 1
Locate the nests of bumblebees by following them to their underground home. If the entrance to the nest is concealed by vegetation, using an insecticide is your best option. There are many insecticides that are suitable for this job. Mix the insecticide according to instructions and drench the area around the nest. Monitor the nest for 10 to 14 days to ensure that the pesticide was effective. If bumblebees remain, apply the insecticide again.
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Step 2
Apply powdered insecticides to the entrance of the bumblebee nest if the entrance is visible. Take care when doing so, as the bumblebees will defend their nest if they feel cornered. Powdered insecticides can be sprinkled on or applied with a hand bellows. Do not fill a hand bellows or it will not work effectively. Monitor the nest for 10 to 14 says to ensure that the insecticide has been effective. Seal the entrance to the hole to prevent future bumblebee colonies from using the same nest.
Step 3
Leave bumblebee nests if they do not pose an immediate threat to your children or pets. Bumblebees die off in the winter. Once the bumblebees are gone, simply fill in the hole or remove flat objects like planks or bricks to prevent future colonies from forming. Bumblebees in your home can be prevented by filling in small holes and gaps and by covering vents and windows with a fine mesh.
Warning
Bumblebees do not have barbed stings and can sting more than once. The sting is painful and will result in itching for several days. If you experience an allergic reaction to bumblebee stings, seek medical attention immediately.
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