Alder Spittlebug vs

Aphrophora alni compared with Rhizocarpon oederi

Key Differences

• Alder Spittlebug is Least Concern while is Extinct.

Taxonomic Classification

Rank	Alder Spittlebug
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Lecanoromycetes (Lecanoromycetes)
Order	Hemiptera (Hemiptera)	Rhizocarpales (Rhizocarpales)
Family	Aphrophoridae	Rhizocarpaceae
Genus	Aphrophora	Rhizocarpon
Species	Aphrophora alni	Rhizocarpon oederi

Conservation Status

Alder Spittlebug

LC — Least Concern

EX — Extinct

Physical Characteristics

Attribute	Alder Spittlebug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Alder Spittlebug

The Alder Spittlebug (Aphrophora alni) is a species in the genus Aphrophora. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Rhizocarpon oederi is a crustose lichen historically recorded on siliceous rocks across parts of Europe and North America. It is now classified as Extinct (EX) on the IUCN Red List, representing one of the few lichen species confirmed to have been lost. Its disappearance is attributed to habitat destruction, air pollution, and the very specific microhabitat requirements that made it vulnerable.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden