Oak aphid vs small tortoiseshell

Myzocallis castanicola compared with Aglais urticae

Key Differences

• Oak aphid is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Oak aphid	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	Aphididae	Nymphalidae (Brush-footed Butterflies)
Genus	Myzocallis	Aglais
Species	Myzocallis castanicola	Aglais urticae

Evolutionary Relationship

Oak aphid and small tortoiseshell share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Oak aphid

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Oak aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Portugal, 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

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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden