Giant Black Water Beetle vs Pine Chafer
Side-by-side species comparison
| Attribute | Giant Black Water Beetle | Pine Chafer |
|---|---|---|
| Scientific Name | Hydrophilus triangularis | Polyphylla fullo |
| Order | Coleoptera | Coleoptera |
| Family | Hydrophilidae | Scarabaeidae |
| Size | 34-40 mm | 25-36mm |
| Habitat | Ponds & Lakes | Beaches & Coastal |
| Diet | Predators | Root Feeders |
| Regions | North America | Europe |
| Conservation | Least Concern | Near Threatened |
Giant Black Water Beetle
The largest water beetle in North America, with a shiny black oval body. Larvae are voracious predators while adults are mainly plant feeders.
Did You Know?
It carries a bubble of air beneath its body like a silvery film, which it replenishes at the surface.
Pine Chafer
A large brown chafer beetle with white marbled markings on its elytra. Males have enormous fan-shaped antennae with seven lamellae.
Did You Know?
When handled it produces a loud hissing sound by rubbing its abdomen against its wing cases which can startle predators.