Swallowtail Butterfly vs Giant Black Water Beetle
Side-by-side species comparison
| Attribute | Swallowtail Butterfly | Giant Black Water Beetle |
|---|---|---|
| Scientific Name | Papilio machaon | Hydrophilus triangularis |
| Order | Lepidoptera | Coleoptera |
| Family | Papilionidae | Hydrophilidae |
| Size | 65-86 mm wingspan | 34-40 mm |
| Habitat | Underground | Ponds & Lakes |
| Diet | Predators | Predators |
| Regions | Europe, Asia, North America | North America |
| Conservation | Least Concern | Least Concern |
Swallowtail Butterfly
Elegant butterfly with yellow wings marked with black veins and blue-red eyespots on hindwings. The tail extensions on hindwings divert predator attacks from the body.
Did You Know?
Swallowtail caterpillars have a hidden orange forked organ called an osmeterium that they pop out from behind their head when threatened, releasing a foul smell.
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.