Azorean predacious diving beetle vs Black-edged Marble

Agabus godmanni compared with Endothenia nigricostana

Key Differences

• Azorean predacious diving beetle is Endangered while Black-edged Marble is Near Threatened.

Taxonomic Classification

Rank	Azorean predacious diving beetle	Black-edged Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Dytiscidae	Tortricidae
Genus	Agabus	Endothenia
Species	Agabus godmanni	Endothenia nigricostana

Evolutionary Relationship

Azorean predacious diving beetle and Black-edged Marble share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Azorean predacious diving beetle

EN — Endangered

Black-edged Marble

NT — Near Threatened

Physical Characteristics

Attribute	Azorean predacious diving beetle	Black-edged Marble
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azorean predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-edged Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Azorean predacious diving beetle

The Azorean predacious diving beetle (Agabus godmanni) is a species in the genus Agabus. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Black-edged Marble

The Black-edged Marble (Endothenia nigricostana) is a species in the genus Endothenia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.