Crawling Water Beetle vs Sunburst Diving Beetle
Side-by-side species comparison
| Attribute | Crawling Water Beetle | Sunburst Diving Beetle |
|---|---|---|
| Scientific Name | Haliplus ruficollis | Thermonectus marmoratus |
| Order | Coleoptera | Coleoptera |
| Family | Haliplidae | Dytiscidae |
| Size | 2-3 mm | 12-15 mm |
| Habitat | Ponds & Lakes | Ponds & Lakes |
| Diet | Herbivores | Omnivores |
| Regions | Europe | Southwestern North America, Mexico |
| Conservation | Least Concern | Least Concern |
Crawling Water Beetle
A tiny, oval water beetle with a yellowish body covered in rows of dark punctures. Unlike diving beetles, it crawls slowly among aquatic vegetation rather than swimming actively.
Did You Know?
It stores air beneath enlarged hind coxal plates, which act as a built-in oxygen reservoir while submerged.
Sunburst Diving Beetle
A striking yellow-and-black spotted diving beetle from the American Southwest and Mexico. Its larvae have been discovered to possess bifocal lenses in their eyes.
Did You Know?
Its larvae are the first animals discovered to have true bifocal eyes, with two focal lengths in a single lens.