Announcement on "Fire Ant" and "Aka Cami Ali"

Last Updated February 27, 2024

Confirmation status of "fire ants" and "Aka Cami Ali" at Yokohama Port

For confirmation information at Yokohama Port nationwide and so far.Ministry of the Environment's page (outside site)Please take a look at it.
What is the latest information at Yokohama PortPress release (or information provision materials) (PDF: 424KB)Please take a look at it.

Basic information of "fire ants"

Fire ant image

Origin is South America
The body is shiny and reddish brown. The color of the abdomen is slightly dark.
It is about 2.5 to 6.0 mm long, and the same worker ants vary in size.
There are two cbs on the back.
I feel severe pain like burns when stabbed with a poison needle.
It inhabits open environments such as bare land and grasslands, and nests in the soil.

Basic information of "Aka Cami Ali"

Red Cami ant image

Origin is from the southern United States of America to Central America.
It is reddish brown and head is brown.
The head of a large worker ant is square shape
About 3 to 5 millimeters in length
It has the same type of poison as fire ants, but the poison is not as strong as fire ants.
It inhabits open environments such as bare land and grasslands, and nests in the soil.

What if you get stuck with a "fire ant" or "Aka Cami Ali"?

If you are stabbed, you will have severe pain.
Rest for about 20 to 30 minutes immediately after being stabbed, and pay attention to your physical condition.
If you experience symptoms such as dizziness or breathlessness, you may have "anaphylaxis (severe allergic reaction)". Please consult a medical institution immediately, such as requesting an ambulance.

Contact

Invasive organisms in general: Green Environment Bureau Environmental Activities Division (Phone number: 045-671-2484)
Regarding simple identification: Environmental Science Laboratory (Phone number: 045-453-2550)

※8:45 am to 5:15 pm Monday to Friday (excluding weekends, holidays, and New Year's holidays)

Health and Welfare Center Health Sanitation Division Contact Information List
Ward	Location	Phone number
Tsurumi	〒230-0051 3-20-1, Tsurumichuo, Tsurumi-ku	045-510-1845
Kanagawa	〒221-0824 3-8, Hirodaiotamachi, Kanagawa-ku	045-411-7143
West	〒220-0051 1-5-10, Chuo, Nishi-ku	045-320-8444
Medium	〒231-0021 35, Nihonodori, Naka-ku	045-224-8339
South	〒232-0024 2-33, Urafunecho, Minami-ku	045-341-1192
Konan	〒233-0003 4-2-10, Kounan, Kounan-ku	045-847-8445
Hodogaya	〒240-0001 2-9, Kawabecho, Hodogaya-ku	045-334-6363
Asahi	〒241-0022 1-4-12, Tsurugamine, Asahi-ku	045-954-6168
Isogo	〒235-0016 3-5-1, Isogo, Isogo-ku	045-750-2452
Kanazawa	〒236-0021 2-9-1, Deiki, Kanazawa-ku	045-788-7873
Kohoku	〒222-0032 26-1, Mamedocho, Kouhoku-ku	045-540-2373
Green	〒226-0013 118, Terayamacho, Midori-ku	045-930-2368
Green leaves	〒225-0024 31-4, Ichigaocho, Aoba-ku	045-978-2465
Tsuzuki	〒224-0032 32-1, Chigasakichuo, Tsuzuki-ku	045-948-2358
Tozuka	〒244-0003 16-17, Totsukacho, Totsuka-ku	045-866-8476
Sakae	〒247-0005 303-19, Katsuracho, Sakae-ku	045-894-6968
Spring	〒245-0016 4636-2, Izumicho, Izumi-ku	045-800-2452
Seya	〒246-0021 190, Futatsubashicho, Seya-ku	045-367-5752
※8:45 am to 5:15 pm Monday to Friday (excluding weekends, holidays, and New Year's holidays)

For holiday inquiries, please contact the Yokohama City Call Center (Phone number: 045-664-2525, fax: 045-664-2828).
※From 8:00 a.m. to 9:00 p.m. (excluding weekends, holidays, and New Year's holidays)

Ministry of the Environment page

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For inquiries to this page

Policy Division, Policy Division, Environmental Planning Bureau

Phone: 045-671-2484

Fax: 045-550-4093

Email address: ks-tayou@city.yokohama.jp

List of related pages Open the menu in the related page list

Overview of alien organisms
Announcement on "Fire Ant" and "Aka Cami Ali"

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