Chalcidoid wasp vs Laysan Duck

Tetrastichus julis compared with Anas laysanensis

Key Differences

• Chalcidoid wasp is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Chalcidoid wasp	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hymenoptera (Ants, Bees & Wasps)	Anseriformes (Anseriformes)
Family	Eulophidae	Anatidae
Genus	Tetrastichus	Anas
Species	Tetrastichus julis	Anas laysanensis

Evolutionary Relationship

Chalcidoid wasp and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chalcidoid wasp

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Chalcidoid wasp	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalcidoid wasp

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Denmark, Portugal, Sweden, and United States.

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.

Chalcidoid wasp

The Chalcidoid wasp (Tetrastichus julis) is a species in the genus Tetrastichus. Typically found in virtually all terrestrial and freshwater habitats.

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.