Active gray pine needle aphid vs Laysan Duck

Eulachnus rileyi compared with Anas laysanensis

Key Differences

• Active gray pine needle aphid is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Active gray pine needle aphid	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hemiptera (Hemiptera)	Anseriformes (Anseriformes)
Family	Aphididae	Anatidae
Genus	Eulachnus	Anas
Species	Eulachnus rileyi	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Active gray pine needle aphid

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Active gray pine needle aphid	Laysan Duck
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).

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered 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.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom