Brown Widow vs Harmless Serotine

Latrodectus geometricus compared with Eptesicus innoxius

Key Differences

• Brown Widow is Not Evaluated while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Brown Widow	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Arachnida (Arachnids)	Mammalia (Mammals)
Order	Araneae (Araneae)	Chiroptera (Bats)
Family	Theridiidae	Vespertilionidae
Genus	Latrodectus	Eptesicus
Species	Latrodectus geometricus	Eptesicus innoxius

Evolutionary Relationship

Brown Widow and Harmless Serotine share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Widow

NE — Not Evaluated

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Brown Widow	Harmless Serotine
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).

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. 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).

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador