Ridged Water Scavenger Beetle vs House Longhorn Beetle
Side-by-side species comparison
| Attribute | Ridged Water Scavenger Beetle | House Longhorn Beetle |
|---|---|---|
| Scientific Name | Helochares obscurus | Hylotrupes bajulus |
| Order | Coleoptera | Coleoptera |
| Family | Hydrophilidae | Cerambycidae |
| Size | 4-6 mm | 8–25 mm |
| Habitat | Ponds & Lakes | Woodlands |
| Diet | Detritivores | Wood Feeders |
| Regions | Europe, North Africa | Europe, North America, South Africa, Australia |
| Conservation | Least Concern | Not Evaluated |
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.
House Longhorn Beetle
A serious structural pest of softwood timber in buildings worldwide. Larvae can feed inside roof timbers for up to ten years before emerging.
Did You Know?
Larvae can be heard chewing inside timber, making rasping sounds that are audible through walls.