boisduval scale vs Eurasian beaver

Diaspis boisduvalii compared with Castor fiber

Key Differences

• boisduval scale is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	boisduval scale	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hemiptera (Hemiptera)	Rodentia (Rodents)
Family	Diaspididae	Castoridae (Beavers)
Genus	Diaspis	Castor (Beavers)
Species	Diaspis boisduvalii	Castor fiber

Evolutionary Relationship

boisduval scale and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

boisduval scale

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	boisduval scale	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

boisduval scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan, Taiwan), Europe (15 countries), and North America (United States).

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.

boisduval scale

The boisduval scale (Diaspis boisduvalii) is a species in the genus Diaspis. Native to Belgium, Bulgaria, Denmark, France, Germany.

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 🇵🇹 Portugal 🇸🇪 Sweden