Redshouldered ham beetle vs Violet checkered beetle

Necrobia ruficollis compared with Necrobia violacea

Key Differences

• Redshouldered ham beetle is Endangered while Violet checkered beetle is Least Concern.

Taxonomic Classification

Rank	Redshouldered ham beetle	Violet checkered beetle
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Arthropoda (节肢动物门)	Arthropoda (节肢动物门)
Class same	Insecta (昆蟲綱)	Insecta (昆蟲綱)
Order same	Coleoptera (鞘翅目)	Coleoptera (鞘翅目)
Family same	Cleridae	Cleridae
Genus same	Necrobia	Necrobia
Species	Necrobia ruficollis	Necrobia violacea

Evolutionary Relationship

Redshouldered ham beetle and Violet checkered beetle share a common ancestor at the Genus level: Necrobia.

Conservation Status

Redshouldered ham beetle

EN — Endangered

Violet checkered beetle

LC — Least Concern

Physical Characteristics

Attribute	Redshouldered ham beetle	Violet checkered beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Redshouldered ham beetle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 8 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (China, Japan, Taiwan), Europe (12 countries), and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Violet checkered beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan, Taiwan), Europe (10 countries), and North America (Canada, United States).

Shared Countries

Both species can be found in 13 countries:

🇦🇹 Austria 🇧🇪 Belgium 🇨🇦 Canada 🇩🇰 Denmark 🇫🇮 Finland 🇭🇺 Hungary 🇯🇵 Japan 🇱🇹 Lithuania 🇳🇴 Norway 🇸🇪 Sweden 🇨🇭 Switzerland 🇹🇼 Taiwan 🇺🇸 United States