Eastern spider beetle vs Harmless Serotine

Ptinus raptor compared with Eptesicus innoxius

Key Differences

• Eastern spider beetle is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Eastern spider beetle	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Chiroptera (Bats)
Family	Ptinidae	Vespertilionidae
Genus	Ptinus	Eptesicus
Species	Ptinus raptor	Eptesicus innoxius

Evolutionary Relationship

Eastern spider beetle and Harmless Serotine share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eastern spider beetle

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Eastern spider beetle	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern spider beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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.