vs small tortoiseshell

Lactarius flavidus compared with Aglais urticae

Key Differences

is Critically Endangered 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	Russulales (Russulales)	Lepidoptera (Butterflies & Moths)
Family	Russulaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Lactarius	Aglais
Species	Lactarius flavidus	Aglais urticae

Conservation Status

CR — Critically Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.

Lactarius flavidus is a gilled mushroom in the milk cap genus with a pale yellowish cap and white to yellowish latex that exudes when cut. It grows in Mediterranean and southern European forests, forming ectomycorrhizal associations with oak and pine trees. This fungus exchanges soil nutrients for photosynthetic sugars with its tree partners.

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.