Little Stag Beetle

Dorcus rectus

Little Stag Beetle (Dorcus rectus)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

Dorcus rectus, the little stag beetle, is a species of beetles in the family Lucanidae. It can be found in China(Liaoning), Korea, Japan, Russia. These beetles have a distinctive red shell that separates them from Dorcus curvidens. Males of this species have been observed to have mandible trimorphism, a characteristic that has only been described in two species of Lucanidae—with the other one being Odontolabis cuvera—"and a small number of other invertebrates" as of 2017. The mandibles are used by males as weapons. Source

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In the last 8 weeks this insect was recorded 3 times across 1 area (each area is a 5 degree square).

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Related species

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.