Active gray pine needle aphid vs Eurasian beaver

Eulachnus rileyi compared with Castor fiber

Key Differences

• Active gray pine needle aphid is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Active gray pine needle aphid	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hemiptera (Hemiptera)	Rodentia (Rodents)
Family	Aphididae	Castoridae (Beavers)
Genus	Eulachnus	Castor (Beavers)
Species	Eulachnus rileyi	Castor fiber

Evolutionary Relationship

Active gray pine needle aphid and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Active gray pine needle aphid

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Active gray pine needle aphid	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Active gray pine needle aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (Malawi), Asia (Taiwan), Europe (8 countries), North America (United States), and South America (Chile).

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.

Active gray pine needle aphid

The Active gray pine needle aphid (Eulachnus rileyi) is a species in the genus Eulachnus. This species inhabits Typically found in virtually all terrestrial and freshwater habitats, found across Belgium, Chile, Denmark, France, and Malawi.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden