arrow-head scale vs small tortoiseshell

Unaspis yanonensis compared with Aglais urticae

Key Differences

• arrow-head scale is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	arrow-head scale	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Hemiptera (Hemiptera)	Lepidoptera (Butterflies & Moths)
Family	Diaspididae	Nymphalidae (Brush-footed Butterflies)
Genus	Unaspis	Aglais
Species	Unaspis yanonensis	Aglais urticae

Evolutionary Relationship

arrow-head scale and small tortoiseshell share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

arrow-head scale

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	arrow-head scale	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrow-head scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Asia (Japan, Taiwan) and Europe (6 countries).

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.

arrow-head scale

The Arrow-head scale, Unaspis yanonensis, is a species. Typically found in virtually all terrestrial and freshwater habitats.

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 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇮🇹 Italy 🇳🇱 Netherlands 🇪🇸 Spain 🇬🇧 United Kingdom