Ridged Water Scavenger Beetle vs Blue-eyed Darner
Side-by-side species comparison
| Attribute | Ridged Water Scavenger Beetle | Blue-eyed Darner |
|---|---|---|
| Scientific Name | Helochares obscurus | Rhionaeschna multicolor |
| Order | Coleoptera | Odonata |
| Family | Hydrophilidae | Aeshnidae |
| Size | 4-6 mm | 60-70mm |
| Habitat | Ponds & Lakes | Ponds & Lakes |
| Diet | Detritivores | Predators |
| Regions | Europe, North Africa | North America |
| Conservation | Least Concern | Least Concern |
Ridged Water Scavenger Beetle
A small brown water beetle found in well-vegetated ponds across Europe. Females carry their egg sacs beneath the body until the larvae hatch.
Did You Know?
The female carries her egg case attached to the underside of her body, a rare form of parental care in beetles.
Blue-eyed Darner
A large darner dragonfly with striking bright blue eyes and blue spots on a brown body. It is one of the most common large dragonflies in western North America. It hunts in prolonged patrol flights.
Did You Know?
Its brilliant blue eyes are among the most vivid in the insect world and can be seen from several meters away.