Orange Polypore vs small tortoiseshell

Hapalopilus croceus compared with Aglais urticae

Key Differences

• Orange Polypore is Critically Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Orange Polypore	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Polyporales (Polyporales)	Lepidoptera (Butterflies & Moths)
Family	Phanerochaetaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Hapalopilus	Aglais
Species	Hapalopilus croceus	Aglais urticae

Conservation Status

Orange Polypore

CR — Critically Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Orange Polypore	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Orange Polypore

Habitat

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

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 1 countries:

🇳🇴 Norway