King Oyster vs small tortoiseshell

Pleurotus eryngii compared with Aglais urticae

Key Differences

King Oyster is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	King Oyster	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	Pleurotaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Pleurotus	Aglais
Species	Pleurotus eryngii	Aglais urticae

Conservation Status

King Oyster

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	King Oyster	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

King Oyster

Habitat

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

Range

Found in Norway.

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 (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.