Tasmanian Giant Stonefly vs Glacier Black Fly
Side-by-side species comparison
| Attribute | Tasmanian Giant Stonefly | Glacier Black Fly |
|---|---|---|
| Scientific Name | Eusthenia spectabilis | Prosimulium alpestre |
| Order | Plecoptera | Diptera |
| Family | Eustheniidae | Simuliidae |
| Size | 30-50 mm | 2-4 mm body length |
| Habitat | Mountains | Mountains |
| Diet | Predators | Blood Feeders |
| Regions | Australia (Tasmania) | Alps, Northern Europe |
| Conservation | Least Concern | Least Concern |
Tasmanian Giant Stonefly
A spectacular large stonefly endemic to Tasmanian mountain streams with bold orange and black markings. Nymphs are among the largest aquatic insect larvae in Australia.
Did You Know?
It belongs to an ancient Gondwanan family found only in Australia and South America.
Glacier Black Fly
A small black fly whose larvae develop in fast-flowing alpine streams. Adults are among the earliest insects active after snowmelt.
Did You Know?
Larvae anchor themselves to rocks in torrential currents using silk pads and tiny hooks.