Lesser Water Boatman vs Ridged Water Scavenger Beetle
Side-by-side species comparison
| Attribute | Lesser Water Boatman | Ridged Water Scavenger Beetle |
|---|---|---|
| Scientific Name | Sigara striata | Helochares obscurus |
| Order | Hemiptera | Coleoptera |
| Family | Corixidae | Hydrophilidae |
| Size | 6-8 mm | 4-6 mm |
| Habitat | Ponds & Lakes | Ponds & Lakes |
| Diet | Detritivores | Detritivores |
| Regions | Europe | Europe, North Africa |
| Conservation | Least Concern | Least Concern |
Lesser Water Boatman
A small water boatman with fine dark striations across its forewings. It is among the most abundant aquatic insects in European standing waters. It feeds by scraping algae and organic material from submerged surfaces.
Did You Know?
In Mexico, a related species' eggs are harvested in such quantities from lake surfaces that they are dried and sold as a traditional food called 'ahuautle,' once known as Mexican caviar.
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.