4-Spotted Digger Wasp vs Eurasian beaver

Crossocerus quadrimaculatus compared with Castor fiber

Key Differences

• 4-Spotted Digger Wasp is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	4-Spotted Digger Wasp	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hymenoptera (Ants, Bees & Wasps)	Rodentia (Rodents)
Family	Crabronidae	Castoridae (Beavers)
Genus	Crossocerus	Castor (Beavers)
Species	Crossocerus quadrimaculatus	Castor fiber

Evolutionary Relationship

4-Spotted Digger Wasp and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

4-Spotted Digger Wasp

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	4-Spotted Digger Wasp	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

4-Spotted Digger Wasp

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

4-Spotted Digger Wasp

The 4-Spotted Digger Wasp (Crossocerus quadrimaculatus) is a species in the genus Crossocerus. It is currently classified as Least Concern on the IUCN Red List. It is found across Belgium, Denmark, Norway, and Sweden, inhabiting diverse terrestrial and freshwater habitats.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden