Big Water Crayfish vs Blackthorn Mining Bee

Cambarus robustus compared with Andrena varians

Taxonomic Classification

Rank	Big Water Crayfish	Blackthorn Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Hymenoptera (Ants, Bees & Wasps)
Family	Cambaridae	Andrenidae
Genus	Cambarus	Andrena
Species	Cambarus robustus	Andrena varians

Evolutionary Relationship

Big Water Crayfish and Blackthorn Mining Bee share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Big Water Crayfish

LC — Least Concern

Blackthorn Mining Bee

LC — Least Concern

Physical Characteristics

Attribute	Big Water Crayfish	Blackthorn Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

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.