Chihuahua Gray vs False Bruce Spanworm

Aphonopelma pallidum compared with Macaria loricaria

Key Differences

• Chihuahua Gray is Least Concern while False Bruce Spanworm is Near Threatened.

Taxonomic Classification

Rank	Chihuahua Gray	False Bruce Spanworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Arachnida (Arachnids)	Insecta (Insects)
Order	Araneae (Araneae)	Lepidoptera (Butterflies & Moths)
Family	Theraphosidae	Geometridae
Genus	Aphonopelma	Macaria
Species	Aphonopelma pallidum	Macaria loricaria

Evolutionary Relationship

Chihuahua Gray and False Bruce Spanworm share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Chihuahua Gray

LC — Least Concern

False Bruce Spanworm

NT — Near Threatened

Physical Characteristics

Attribute	Chihuahua Gray	False Bruce Spanworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chihuahua Gray

Habitat

Typically found in terrestrial habitats from forests to deserts.

False Bruce Spanworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Chihuahua Gray

The Chihuahua Gray (Aphonopelma pallidum) is a species in the genus Aphonopelma. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.