Heath Threadwort vs small tortoiseshell

Cephaloziella stellulifera compared with Aglais urticae

Key Differences

Heath Threadwort is Data Deficient while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Heath Threadwort	small tortoiseshell
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Arthropoda (Arthropods)
Class	Jungermanniopsida (Jungermanniopsida)	Insecta (Insects)
Order	Jungermanniales (Jungermanniales)	Lepidoptera (Butterflies & Moths)
Family	Cephaloziellaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Cephaloziella	Aglais
Species	Cephaloziella stellulifera	Aglais urticae

Conservation Status

Heath Threadwort

DD — Data Deficient

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Heath Threadwort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across 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 (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.