Beet tortoise beetle vs Thistle Tortoise Beetle

Cassida nebulosa compared with Cassida rubiginosa

Key Differences

• Beet tortoise beetle is Vulnerable while Thistle Tortoise Beetle is Least Concern.

Taxonomic Classification

Rank	Beet tortoise beetle	Thistle Tortoise Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Coleoptera (Beetles)	Coleoptera (Beetles)
Family same	Chrysomelidae	Chrysomelidae
Genus same	Cassida	Cassida
Species	Cassida nebulosa	Cassida rubiginosa

Evolutionary Relationship

Beet tortoise beetle and Thistle Tortoise Beetle share a common ancestor at the Genus level: Cassida.

Conservation Status

Beet tortoise beetle

VU — Vulnerable

Thistle Tortoise Beetle

LC — Least Concern

Physical Characteristics

Attribute	Beet tortoise beetle	Thistle Tortoise Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beet tortoise beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Thistle Tortoise Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Beet tortoise beetle

The Beet tortoise beetle (Cassida nebulosa) is a species in the genus Cassida. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States