Grey Knight vs small tortoiseshell

Tricholoma terreum compared with Aglais urticae

Key Differences

• Grey Knight is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Grey Knight	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Agaricales (Gilled Mushrooms)	Lepidoptera (Butterflies & Moths)
Family	Tricholomataceae	Nymphalidae (Brush-footed Butterflies)
Genus	Tricholoma	Aglais
Species	Tricholoma terreum	Aglais urticae

Conservation Status

Grey Knight

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Grey Knight	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grey Knight

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Chile, Norway, Sweden, and United States.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden