Ridged Water Scavenger Beetle vs Spring Stonefly
Side-by-side species comparison
| Attribute | Ridged Water Scavenger Beetle | Spring Stonefly |
|---|---|---|
| Scientific Name | Helochares obscurus | Amphinemura sulcicollis |
| Order | Coleoptera | Plecoptera |
| Family | Hydrophilidae | Nemouridae |
| Size | 4-6 mm | 6-9 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | Europe, North Africa | Europe |
| 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.
Spring Stonefly
A small dark stonefly that emerges in early spring in European streams. Nymphs are shredders of decomposing leaf litter in headwaters.
Did You Know?
Adults are among the first insects to appear each spring, sometimes emerging while snow still covers the banks.