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Amami Ridged Flat Stag Beetle

STAG-BEETLES / Stag Beetles

Amami Ridged Flat Stag Beetle

Stag beetle family, genus Dorcus, subgenus Serrognathus (flat stag beetles). Dorcus metacostatus

Collecting permitted

Best observed 7・9・10・11

About Amami Ridged Flat Stag Beetle

Active from late April through around October, peaking in July. A rare species endemic to Japan, found only in the Amami Islands, with eight distinct ridges on its elytra. It frequently flies to citrus trees, machilus, mallotus, chinquapin, banana traps, and streetlights. Anything over 60mm is large — aim for 70mm+.

Observation Safety Notes

Please enjoy Amami's wildlife through photographs. Some species are protected by law or local ordinance, and capturing or removing them is prohibited. In special protection zones within the national park, collecting any wildlife is prohibited entirely. Please check the notes on this page, and confirm local rules before visiting any site.

NATURE EXPERIENCE AMAMI

Walk Amami's Night Forest With a Guide

Seeing it in a photo is one thing — searching for it in the forest at night, with an experienced local guide, is another. Join a night tour to see Amami Oshima's wildlife for yourself, safely.

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