vs small tortoiseshell

Hyphoderma definitum compared with Aglais urticae

Key Differences

• is Data Deficient while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank		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	Hyphodermataceae	Nymphalidae (Brush-footed Butterflies)
Genus	Hyphoderma	Aglais
Species	Hyphoderma definitum	Aglais urticae

Conservation Status

DD — Data Deficient

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and Taiwan.

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.

Hyphoderma definitum is a corticioid fungus in the family Polyporaceae, assessed as Data Deficient (DD). It forms thin, resupinate fruiting bodies on decaying wood in forest habitats. Limited collection records make a comprehensive conservation assessment difficult.

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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden