Brown oak slender vs Pixie Foam

Acrocercops brongniardella compared with Stereocaulon pileatum

Key Differences

• Brown oak slender is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Brown oak slender	Pixie Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Lecanoromycetes (Lecanoromycetes)
Order	Lepidoptera (Butterflies & Moths)	Lecanorales (Lecanorales)
Family	Gracillariidae	Stereocaulaceae
Genus	Acrocercops	Stereocaulon
Species	Acrocercops brongniardella	Stereocaulon pileatum

Conservation Status

Brown oak slender

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Brown oak slender	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown oak slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries).

Pixie Foam

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown oak slender

The Brown Oak Slender (Acrocercops brongniardella) is a species in the genus Acrocercops. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden