Lesser Silver Water Beetle vs Miyama Sawtooth Stag Beetle

Side-by-side species comparison

Attribute Lesser Silver Water Beetle Miyama Sawtooth Stag Beetle
Scientific Name Hydrochara flavipes Prosopocoilus dissimilis
Order Coleoptera Coleoptera
Family Hydrophilidae Lucanidae
Size 12-16 mm 25-55 mm
Habitat Ponds & Lakes Forests
Diet Scavengers Sap Feeders
Regions East Asia East Asia, Japan (Ryukyu Islands)
Conservation Least Concern Least Concern

Lesser Silver Water Beetle

A medium-sized water scavenger beetle found in still waters across East Asia. Its legs have distinctive yellowish tarsi.

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Did You Know?

It is commonly encountered in rice paddies where it helps break down organic matter in the flooded fields.

Miyama Sawtooth Stag Beetle

An elegant stag beetle found in southern Japan with distinctive serrated mandibles. The species occurs in the subtropical forests of the Ryukyu Islands. Males show considerable size variation.

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Did You Know?

The Ryukyu Islands have produced many unique stag beetle species due to their isolation, making them a hotspot for lucanid diversity.