Ikimono KokuhoLiving Treasures of Japan
National Natural Monument
Insects

Yanbaru Long-armed Scarab

Cheirotonus jambar

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The Yanbaru long-armed scarab is one of Japan's largest beetles, with exceptionally long forelegs in males, and is found only in northern Okinawa Island's Yanbaru forests. Its larvae feed on decayed organic material accumulated inside hollows of old trees. Adults are active mainly in late summer and early autumn. It depends on natural forest containing large hollow trees and is designated a Natural Monument.

Scientific name
Cheirotonus jambar
Group
Insects
Prefectures
Okinawa
Japanese Red List (Ministry of the Environment)
EndangeredMinistry of the Environment Red List 2020
日本語
ヤンバルテナガコガネ
简体中文
冲绳长臂金龟

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Natural Monuments related to the Yanbaru Long-armed Scarab

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Designated as a species without a fixed area. Markers show related prefectures.

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Frequently asked questions

Yes. The Yanbaru Long-armed Scarab is protected as a Natural Monument (1 national and 0 prefectural designations). Each designated site is listed under "Natural Monuments related to the Yanbaru Long-armed Scarab" on this page.

The Yanbaru Long-armed Scarab is designated as a species without a fixed area and lives in places such as Okinawa.

The Yanbaru Long-armed Scarab is listed as "Endangered" in the Ministry of the Environment Red List 2020 (listed as ヤンバルテナガコガネ).

Animals related to the Yanbaru Long-armed Scarab

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