Beach Acronychia vs Churchyard beetle, Cellar beetle

Acronychia imperforata compared with Blaps mucronata

Key Differences

• Beach Acronychia is Least Concern while Churchyard beetle, Cellar beetle is Endangered.

Taxonomic Classification

Rank	Beach Acronychia	Churchyard beetle, Cellar beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Sapindales (Sapindales)	Coleoptera (Beetles)
Family	Rutaceae	Tenebrionidae
Genus	Acronychia	Blaps
Species	Acronychia imperforata	Blaps mucronata

Conservation Status

Beach Acronychia

LC — Least Concern

Churchyard beetle, Cellar beetle

EN — Endangered

Physical Characteristics

Attribute	Beach Acronychia	Churchyard beetle, Cellar beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beach Acronychia

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Churchyard beetle, Cellar beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Beach Acronychia

The Beach Acronychia (Acronychia imperforata) is a species in the genus Acronychia. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Churchyard beetle, Cellar beetle

The churchyard beetle or cellar beetle (Blaps mucronata) is a species of large flightless darkling beetle in the family Tenebrionidae, order Coleoptera. Adults are robust, black-bodied beetles reaching twenty to thirty millimeters in length, with fused elytra that render them incapable of flight, a characteristic that restricts dispersal and makes local populations vulnerable to habitat loss. B. mucronata inhabits dark, cool, and humid environments such as cellars, crypts, cave entrances, stables, and the bases of old stone walls — the latter association explaining the common name churchyard beetle, as ancient stone churches with undisturbed subterranean spaces provide ideal habitat. The species is nocturnal and slow-moving, feeding on decaying organic matter, fungi, and plant debris. Its range historically extended across much of western Europe, including Belgium, Denmark, France, Ireland, and the Netherlands, but populations have declined significantly across this range due to habitat loss associated with modernization of buildings, renovation of historic structures, and reduction of traditional agricultural environments with earthen floors and organic refuse. B. mucronata is currently listed as Endangered on the IUCN Red List, reflecting its sensitivity to habitat degradation and limited dispersal capacity. Conservation efforts in several European countries focus on maintaining undisturbed cellars and crypts as microhabitat refuges. The species produces chemical secretions from abdominal glands as a defense against predators.