Devil weed vs small tortoiseshell

Sargassum horneri compared with Aglais urticae

Key Differences

Devil weed is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Devil weed	small tortoiseshell
Kingdom	Chromista (โครมิสตา)	Animalia (สัตว์)
Phylum	Ochrophyta (Ochrophyta)	Arthropoda (สัตว์ขาปล้อง)
Class	Phaeophyceae (Phaeophyceae)	Insecta (แมลง)
Order	Fucales (Fucales)	Lepidoptera (ผีเสื้อ)
Family	Sargassaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Sargassum	Aglais
Species	Sargassum horneri	Aglais urticae

Conservation Status

Devil weed

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Devil weed

Habitat

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

Range

Distributed across Mexico, Taiwan, 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.