Seaweed Fly vs Wandering Percher
Side-by-side species comparison
| Attribute | Seaweed Fly | Wandering Percher |
|---|---|---|
| Scientific Name | Coelopa frigida | Diplacodes bipunctata |
| Order | Diptera | Odonata |
| Family | Coelopidae | Libellulidae |
| Size | 5-8 mm | Body 2.5-3 cm; wingspan 4-5 cm |
| Habitat | Beaches & Coastal | Beaches & Coastal |
| Diet | Detritivores | Predators |
| Regions | North Atlantic coasts of Europe and North America | Australia, Pacific Islands, Southeast Asia |
| Conservation | Least Concern | Least Concern |
Seaweed Fly
A coastal fly whose larvae develop in rotting seaweed wrack on beaches. It forms massive swarms on strandlines that can annoy beachgoers.
Did You Know?
It is a model organism for studying sexual selection because larger males win more mating contests.
Wandering Percher
A small dragonfly where males turn deep red with maturity while females remain yellow and brown. It is one of Australia's most abundant and adaptable dragonflies.
Did You Know?
It is often the first dragonfly to colonize newly created water bodies such as garden ponds.