Post Dwarf Weaver vs small tortoiseshell

Erigone atra compared with Aglais urticae

Key Differences

• Post Dwarf Weaver is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Post Dwarf Weaver	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Arachnida (Arachnids)	Insecta (Insects)
Order	Araneae (Araneae)	Lepidoptera (Butterflies & Moths)
Family	Linyphiidae	Nymphalidae (Brush-footed Butterflies)
Genus	Erigone	Aglais
Species	Erigone atra	Aglais urticae

Evolutionary Relationship

Post Dwarf Weaver and small tortoiseshell share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Post Dwarf Weaver

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Post Dwarf Weaver	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Post Dwarf Weaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Europe (4 countries), North America (Canada, United States), and South America (Ecuador).

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden