Blackthorn Mining Bee vs Large-Neck Clam

Andrena varians compared with Mya arenaria

Key Differences

• Blackthorn Mining Bee is Least Concern while Large-Neck Clam is Vulnerable.

Taxonomic Classification

Rank	Blackthorn Mining Bee	Large-Neck Clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Hymenoptera (Ants, Bees & Wasps)	Myida (Myida)
Family	Andrenidae	Myidae
Genus	Andrena	Mya
Species	Andrena varians	Mya arenaria

Evolutionary Relationship

Blackthorn Mining Bee and Large-Neck Clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blackthorn Mining Bee

LC — Least Concern

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	Blackthorn Mining Bee	Large-Neck Clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

Large-Neck Clam

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, Turkey), Europe (22 countries), and North America (Canada, United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Blackthorn Mining Bee

The Blackthorn Mining Bee (Andrena varians) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Luxembourg, Norway, and Sweden.

Large-Neck Clam

Large-Neck Clam (Mya arenaria) 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden