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If you find a beehive

Last update date September 22, 2021

Every year from July to October, consultations are sent to Health and Welfare Center every day, "What should we do?"
At that time, the nests are often getting bigger, and you have to entrust extermination to a specialized contractor, which costs a considerable amount of money.
Until the first worker bee emerges from April to June, it is a time when the queen bee is nesting alone, so if you can find the nest during that time, you can exterminate relatively safely and at low cost .
In order to reduce the cost burden as much as possible, make sure to check places where nests are easy to build between April and July.
※Health and Welfare Center does not remove bees or nests, but we can consult with you on how to get rid of bees yourself and information on extermination companies.

Hornet's nest
Wasp's nest (around May to June)

It is an early nest made by the queen bee made by one. It has a shape like an inverted cup. There is little aggression at this time.


Wasp's nest (August~)

Hundreds to thousands of worker bees inhabited, and around September is the most active. The size of the nest is 30 cm or more. It is dangerous to exterminate yourself, so we recommend that you ask an extermination company.

Paper wasp nest
Paper wasp nest

It is characterized by a lot of burrows.
Paper wasps are less aggressive than hornets, and you can get rid of them yourself if you are careful.
How to get rid of paper wasp

[About the Wasp]

  • Wasp is a very dangerous bees that can cause shocks due to allergic reactions when stabbed.
  • Don't mischief if you find a nest. Never irritate by vibration or impact.
  • Wasps make spherical nests, but if nests are built in a door pocket or behind the ceiling, the nest may not be visible.
  • Bees stop working when it gets cold. Paper wasps die almost around October and hornets die around November. These beehives are limited to one year and will not use the same nest the next year.

[Honeybee's nest (separation)]


Separation

From spring to summer, half of the bees in the bee's nest are taken by the queen, travel for a new home, and parting (separated). In the early spring, if hundreds of small ocher bees gathered in the garden tree, it seems to be this separate seal. This is a temporary inn until a new nest is decided, and generally travels in a few days. Bees in this state rarely sting people unless they hit or beat them, so be sure to watch them. In rare cases, nests may be built in the ceiling or ventilation openings, but in that case, it is better to ask a professional contractor to process it.


If a bee stabbed,...
First of all, lower your posture and move away from the nest as soon as possible.
Slow the wound with running water and cool the affected area with ice. After that, apply steroid ointment containing antihistamine agent. Ammonia and pee do not work.
If you are stabbed somewhere, have poisonous in your eyes, or feel sick, get medical attention immediately.
※Depending on your constitution, if a person who has been stabbed in the past can rarely cause shock symptoms if they are stabbed again. In such a case, it is very dangerous to not receive treatment at the hospital immediately.

For inquiries to this page

Kanazawa Ward Health and Welfare Center Health Sanitation Division Environmental Sanitation Section

Phone: 045-788-7873、045-788-7874

Phone: 045-788-7873、045-788-7874

Fax: 045-784-4600

Email address: kz-eisei@city.yokohama.jp

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Page ID: 155-201-977

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