Ikimono KokuhoLiving Treasures of Japan
National Natural Monument
Insects

Ogasawara Emerald Dragonfly

Hemicordulia ogasawarensis

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The Ogasawara Emerald Dragonfly is an endemic dragonfly with a metallic green body, found only in the Ogasawara Islands. It was once seen on Chichijima and Hahajima, but predation by introduced green anoles and habitat changes caused a sharp decline. Few places now support it, and it is designated a Natural Monument.

Scientific name
Hemicordulia ogasawarensis
Group
Insects
Prefectures
Tokyo
Japanese Red List (Ministry of the Environment)
Critically EndangeredMinistry of the Environment Red List 2020
日本語
オガサワラトンボ
简体中文
小笠原异伪蜻

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Natural Monuments related to the Ogasawara Emerald Dragonfly

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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 Ogasawara Emerald Dragonfly is protected as a Natural Monument (1 national and 0 prefectural designations). Each designated site is listed under "Natural Monuments related to the Ogasawara Emerald Dragonfly" on this page.

The Ogasawara Emerald Dragonfly is designated as a species without a fixed area and lives in places such as Tokyo.

The Ogasawara Emerald Dragonfly is listed as "Critically Endangered" in the Ministry of the Environment Red List 2020 (listed as オガサワラトンボ).

Animals related to the Ogasawara Emerald Dragonfly

Animals in the same group or designated in the same area.

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