Andrenine Bee vs Common Chocolate Chip Lichen

Andrena wilkella compared with Solorina saccata

Key Differences

Andrenine Bee is Least Concern while Common Chocolate Chip Lichen is Critically Endangered.

Taxonomic Classification

Rank	Andrenine Bee	Common Chocolate Chip Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Lecanoromycetes (Lecanoromycetes)
Order	Hymenoptera (Ants, Bees & Wasps)	Peltigerales (Peltigerales)
Family	Andrenidae	Peltigeraceae
Genus	Andrena	Solorina
Species	Andrena wilkella	Solorina saccata

Conservation Status

Andrenine Bee

LC — Least Concern

Common Chocolate Chip Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Andrenine Bee	Common Chocolate Chip Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andrenine Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Common Chocolate Chip Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

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.

Andrenine Bee

The Andrenine Bee (Andrena wilkella) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Common Chocolate Chip Lichen

<em>Solorina saccata</em>, commonly known as the common chocolate chip lichen, is a lichen species found in Denmark, Norway, Portugal, Sweden, and the United States. It typically inhabits temperate broadleaf forests, Mediterranean woodlands, and montane environments, often growing on calcareous soil, moss, or rock in cool, moist conditions. The species is classified as Critically Endangered on the IUCN Red List, indicating that it faces an extremely high risk of extinction in the wild. Common chocolate chip lichen belongs to the genus <em>Solorina</em> within the family Peltigeraceae. It is a foliose lichen recognizable by its lobed, brownish thallus and distinctive dark apothecia that resemble chocolate chips, giving rise to its common name. The decline of this species is associated with habitat loss, changing land use patterns, and the degradation of the calcareous grasslands and moist woodland environments it depends upon. Biological traits such as average lifespan, thallus size, and biomass of this species remain poorly documented in the scientific literature. Its Critically Endangered status underscores the urgency of conservation measures to protect its remaining habitat.