Miyama Sawtooth Stag Beetle vs Water-lily Reed Beetle
Side-by-side species comparison
| Attribute | Miyama Sawtooth Stag Beetle | Water-lily Reed Beetle |
|---|---|---|
| Scientific Name | Prosopocoilus dissimilis | Donacia simplex |
| Order | Coleoptera | Coleoptera |
| Family | Lucanidae | Chrysomelidae |
| Size | 25-55 mm | 7-9 mm |
| Habitat | Forests | Ponds & Lakes |
| Diet | Sap Feeders | Herbivores |
| Regions | East Asia, Japan (Ryukyu Islands) | Europe, Asia, North America |
| Conservation | Least Concern | Least Concern |
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.
Did You Know?
The Ryukyu Islands have produced many unique stag beetle species due to their isolation, making them a hotspot for lucanid diversity.
Water-lily Reed Beetle
A metallic coppery-bronze aquatic beetle with longitudinal ridges on the elytra. Adults sit on floating leaves of pondweeds and bur-reeds in still or slow-flowing water.
Did You Know?
Larvae construct a silken cocoon underwater attached to plant roots, filling it with air obtained from the plant's tissues for pupation.