Icelandic Water Beetle vs Japanese Rose Chafer
Side-by-side species comparison
| Attribute | Icelandic Water Beetle | Japanese Rose Chafer |
|---|---|---|
| Scientific Name | Agabus bipustulatus | Cetonia pilifera |
| Order | Coleoptera | Coleoptera |
| Family | Dytiscidae | Scarabaeidae |
| Size | 9-12 mm | 18-25 mm |
| Habitat | Tundra & Arctic | Orchards |
| Diet | Predators | Wood Feeders |
| Regions | Iceland, Scandinavia, northern Russia, subarctic Europe, Arctic Canada | East Asia, Japan |
| Conservation | Least Concern | Least Concern |
Icelandic Water Beetle
A medium-sized, oval, dark brown diving beetle found in cold ponds and lakes. It carries a silvery air bubble under its elytra for breathing underwater. Adults are strong fliers and can colonize isolated Arctic ponds.
Did You Know?
This beetle is one of the most widespread diving beetles in the Arctic and can fly long distances to colonize new ponds created by permafrost thaw.
Japanese Rose Chafer
A metallic green flower beetle common in Japan, known as 'shirosujikogane.' Found on flowers and tree sap during summer months. Has a distinctive buzzy flight pattern.
Did You Know?
Unlike most beetles that lift their wing covers to fly, flower chafers can fly with their elytra closed by extending their wings through a gap on the sides.