Diving Beetle vs Tundra Wolf Spider
Side-by-side species comparison
| Attribute | Diving Beetle | Tundra Wolf Spider |
|---|---|---|
| Scientific Name | Dytiscus marginalis | Pardosa glacialis |
| Order | Coleoptera | Araneae |
| Family | Dytiscidae | Lycosidae |
| Size | 27-35 mm | 5-8 mm body length |
| Habitat | Rivers & Streams | Tundra & Arctic |
| Diet | Predators | Predators |
| Regions | Europe, Asia | Arctic Canada, Alaska, Greenland, Svalbard, Arctic Scandinavia, Siberia |
| Conservation | Least Concern | Least Concern |
Diving Beetle
A large, streamlined aquatic beetle with an olive-green body bordered in yellow. It carries an air bubble under its elytra and is a voracious underwater predator.
Did You Know?
Great diving beetles can stay submerged for extended periods by trapping a silvery air bubble under their wing covers that functions like a gill.
Tundra Wolf Spider
A dark, medium-sized wolf spider with cryptic brown and gray patterning. Females carry their egg sacs attached to their spinnerets. It is one of the dominant predators on the Arctic tundra ground surface.
Did You Know?
This spider basks on dark rocks to raise its body temperature, then hunts more actively because its prey are slower in the cold.