Rismethus

Fleutiaux, 1947

Species Guides

Rismethus is a of click beetles ( Elateridae) established by Fleutiaux in 1947. The genus contains approximately 10 described distributed across temperate Asia, with records from Japan (Ryukyu Islands), Pakistan, India, and China. Species have been described as recently as 2025, indicating ongoing taxonomic work. The genus belongs to the diverse click beetle lineage characterized by the ability to right themselves using a prosternal spine and mesosternal groove mechanism.

Rismethus by (c)
NHM Beetles and Bugs, some rights reserved (CC BY). Used under a CC-BY license.

Rismethus scobinula by (c) Justin Williams, some rights reserved (CC BY), uploaded by Justin Williams. Used under a CC-BY license.

Pronunciation

How to pronounce Rismethus: /rɪsˈmɛθəs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Distribution

occur in temperate Asia, including Japan (Ryukyu Islands), Pakistan, India, and China. Specific distributions are documented for R. ryukyuensis (temperate Asia), R. pakistanicus (Pakistan), and R. jiangi (China).

More Details

Taxonomic history

The was established by Fleutiaux in 1947. Several were transferred from other genera, including R. pistrinarius and R. scobinula (both originally described by Candèze in 1857), and R. squamiger (originally described by Champion in 1894). Recent descriptions include R. jiangi (2025), R. rainoni (2023), and R. pakistanicus (2016).

iNaturalist observations

The has 163 observations on iNaturalist, suggesting moderate detectability by naturalists, though specific identification challenges likely limit precise -level reporting.