πŸͺ² Beetles

Japanese Click Beetle

Campsosternus gemma

About Japanese Click Beetle

A spectacular metallic green and gold click beetle found in East Asian forests. It is one of the most brilliantly coloured elaterid beetles.

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Did You Know?

Its jewel-like metallic colouring has made it one of the most sought-after beetles in insect collections worldwide.

How to Identify Japanese Click Beetle

Japanese Click Beetle (Campsosternus gemma) belongs to the order Coleoptera, family Elateridae. Adults typically measure 25-35 mm.

Japanese Click Beetle Habitat

Japanese Click Beetle is found in forests habitats, particularly across Japan, Taiwan, Southern China. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Japanese Click Beetle Diet and Feeding

Japanese Click Beetle feeds on wood and bark, often boring into timber. Wood-feeding insects contribute to the decomposition of dead trees and nutrient cycling in forest ecosystems.

Where Is Japanese Click Beetle Found?

Japanese Click Beetle can be found in Japan, Taiwan, Southern China, where it inhabits forests environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Japanese Click Beetle can be found

Is Japanese Click Beetle Dangerous?

Japanese Click Beetle is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Japanese Click Beetle Role in Nature

Japanese Click Beetle is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.

Seasonal Activity

Jan
Feb
Mar
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May
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Sep
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Nov
Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Japanese Click Beetle

What does Japanese Click Beetle look like?

The Japanese Click Beetle typically measures 25-35 mm.

Where is Japanese Click Beetle found?

The Japanese Click Beetle is found in Japan, Taiwan, Southern China and typically inhabits forests environments.

What does Japanese Click Beetle eat?

The Japanese Click Beetle feeds on wood and bark, often boring into timber.

Is Japanese Click Beetle dangerous to humans?

The Japanese Click Beetle is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Japanese Click Beetle?

Its jewel-like metallic colouring has made it one of the most sought-after beetles in insect collections worldwide.

Cite This Page

APA:
InsectDiscover. (2026). Japanese Click Beetle (Campsosternus gemma). Retrieved from https://insectdiscover.com/insect/japanese-click-beetle

MLA:
"Japanese Click Beetle." InsectDiscover, https://insectdiscover.com/insect/japanese-click-beetle.