Brown Widow vs small tortoiseshell

Latrodectus geometricus compared with Aglais urticae

Key Differences

• Brown Widow is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Brown Widow	small tortoiseshell
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Arthropoda (động vật Chân khớp)	Arthropoda (động vật Chân khớp)
Class	Arachnida (Lớp Hình nhện)	Insecta (côn trùng)
Order	Araneae (Nhện)	Lepidoptera (bộ Cánh vảy)
Family	Theridiidae	Nymphalidae (Brush-footed Butterflies)
Genus	Latrodectus	Aglais
Species	Latrodectus geometricus	Aglais urticae

Evolutionary Relationship

Brown Widow and small tortoiseshell share a common ancestor at the Phylum level: Arthropoda. (động vật Chân khớp)

Conservation Status

Brown Widow

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Brown Widow	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Peru).

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.

Brown Widow

The Brown Widow (Latrodectus geometricus) is a species in the genus Latrodectus. Typically found in terrestrial habitats from forests to deserts. Its geographic range includes widely distributed across africa (south africa), asia (japan), europe (7 countries), north america (united states), and south america (colombia, ecuador, peru).

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 7 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇸🇪 Sweden 🇬🇧 United Kingdom