Malagasy Aquatic Beetle vs Lesser Stag Beetle
Side-by-side species comparison
| Attribute | Malagasy Aquatic Beetle | Lesser Stag Beetle |
|---|---|---|
| Scientific Name | Hydrophilus madagascariensis | Dorcus parallelipipedus |
| Order | Coleoptera | Coleoptera |
| Family | Hydrophilidae | Lucanidae |
| Size | 30-40 mm | 19-32 mm |
| Habitat | Rivers & Streams | Woodlands |
| Diet | Predators | Wood Feeders |
| Regions | Madagascar | Western Europe, Central Europe, Southern Europe |
| Conservation | Least Concern | Least Concern |
Malagasy Aquatic Beetle
A large, shiny black aquatic beetle with a streamlined oval body. It carries a bubble of air beneath its body for underwater breathing and swims with alternating leg strokes.
Did You Know?
Despite being called water scavenger beetles, the larvae are fierce predators of snails, tadpoles, and other aquatic invertebrates.
Lesser Stag Beetle
A robust, matt-black beetle found across European woodlands. Unlike its larger cousin, both sexes have similarly sized mandibles.
Did You Know?
Larvae take three to four years to develop inside rotting logs before pupating.