Giant Black Water Beetle vs Tachydromia Dance Fly
Side-by-side species comparison
| Attribute | Giant Black Water Beetle | Tachydromia Dance Fly |
|---|---|---|
| Scientific Name | Hydrophilus triangularis | Tachydromia umbrarum |
| Order | Coleoptera | Diptera |
| Family | Hydrophilidae | Hybotidae |
| Size | 34-40 mm | 2-3 mm |
| Habitat | Ponds & Lakes | Woodlands |
| Diet | Predators | Predators |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
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.
Tachydromia Dance Fly
A tiny wingless dance fly that runs rapidly over tree bark hunting for small arthropods. Despite being flightless, it is an agile predator of mites and springtails on trunk surfaces.
Did You Know?
It is one of the few completely wingless flies, sprinting across tree bark at high speed to catch tiny prey.