Chalk Yellow-face Bee vs small tortoiseshell

Hylaeus dilatatus compared with Aglais urticae

Key Differences

• Chalk Yellow-face Bee is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Chalk Yellow-face Bee	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Hymenoptera (Ants, Bees & Wasps)	Lepidoptera (Butterflies & Moths)
Family	Colletidae	Nymphalidae (Brush-footed Butterflies)
Genus	Hylaeus	Aglais
Species	Hylaeus dilatatus	Aglais urticae

Evolutionary Relationship

Chalk Yellow-face Bee and small tortoiseshell share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Chalk Yellow-face Bee

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Chalk Yellow-face Bee	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalk Yellow-face Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Chalk Yellow-face Bee

The Chalk Yellow-face Bee (Hylaeus dilatatus) is a species in the genus Hylaeus. It is currently classified as Least Concern on the IUCN Red List. 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden