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National Natural Monument

Insects

Bonin Dragonfly

オガサワラトンボ · Ogasawaratonbo

Designated by: National / Natural Monument
Designation type: Species
Designated on: April 12, 1969
Prefectures: Tokyo
Scientific name: Hemicordulia ogasawarensis

View official record

Designation facts (name, date, location) are compiled from public records by Japanese authorities.

About the Ogasawara Emerald Dragonfly

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.

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Map

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

Frequently asked questions

Bonin Dragonfly is a National Natural Monument of Japan (Tokyo). The Ogasawara Emerald Dragonfly is an endemic dragonfly with a metallic green body,…

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

When observing, follow local rules, keep your distance and never feed the animals. Capturing or harming Natural Monuments is prohibited under Japan's Act on Protection of Cultural Properties.