Arctic Caddisfly vs Amazonian Water Scorpion
Side-by-side species comparison
| Attribute | Arctic Caddisfly | Amazonian Water Scorpion |
|---|---|---|
| Scientific Name | Apatania zonella | Ranatra spp. |
| Order | Trichoptera | Hemiptera |
| Family | Apataniidae | Nepidae |
| Size | 6-9 mm | 30-50 mm including siphon |
| Habitat | Ponds & Lakes | Ponds & Lakes |
| Diet | Omnivores | Predators |
| Regions | Arctic Scandinavia, Iceland, Greenland, Svalbard, Arctic Canada | Throughout South America |
| Conservation | Least Concern | Least Concern |
Arctic Caddisfly
A small, hairy-winged caddisfly with dark brown wings held tent-like over the body. Larvae build portable cases from sand grains and small stones. It is one of the most northerly distributed caddisflies in the world.
Did You Know?
Some Arctic populations of this caddisfly reproduce by parthenogenesis, with females producing offspring without mating.
Amazonian Water Scorpion
A stick-like aquatic bug with an extremely elongated body and long breathing siphon at the rear. It hangs motionless near the surface, ambushing passing prey.
Did You Know?
Despite the common name, it is not a scorpion at all and is completely harmless to humans though it can deliver a mild prick.