Alder Spittlebug vs Brown Widow

Aphrophora alni compared with Latrodectus geometricus

Key Differences

Alder Spittlebug is Least Concern while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Alder Spittlebug	Brown Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Arachnida (Arachnids)
Order	Hemiptera (Hemiptera)	Araneae (Araneae)
Family	Aphrophoridae	Theridiidae
Genus	Aphrophora	Latrodectus
Species	Aphrophora alni	Latrodectus geometricus

Evolutionary Relationship

Alder Spittlebug and Brown Widow share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

View Phylum: Arthropoda

Conservation Status

Alder Spittlebug

LC — Least Concern

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Alder Spittlebug	Brown Widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

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).

Alder Spittlebug

The Alder Spittlebug (Aphrophora alni) is a species in the genus Aphrophora. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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).