Cliff Mining Bee vs Common Marsh-Mallow

Andrena thoracica compared with Althaea officinalis

Key Differences

Cliff Mining Bee is Extinct while Common Marsh-Mallow is Near Threatened.

Taxonomic Classification

Rank	Cliff Mining Bee	Common Marsh-Mallow
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hymenoptera (Ants, Bees & Wasps)	Malvales (Malvales)
Family	Andrenidae	Malvaceae
Genus	Andrena	Althaea
Species	Andrena thoracica	Althaea officinalis

Conservation Status

Cliff Mining Bee

EX — Extinct

Common Marsh-Mallow

NT — Near Threatened

Physical Characteristics

Attribute	Cliff Mining Bee	Common Marsh-Mallow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cliff Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

Common Marsh-Mallow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and temperate coniferous forests, among 6 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria), Asia (India), Europe (13 countries), North America (Canada, United States), and South America (Peru). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Cliff Mining Bee

The Cliff Mining Bee, Andrena species in the family Andrenidae, is a solitary ground-nesting bee that excavates tunnels in cliff faces, earthen banks, and compacted sandy or loamy soils, where the loose or friable substrates exposed in cliff profiles provide ideal nesting conditions. Mining bees in the genus Andrena are among the most species-rich solitary bee genera in the world, with hundreds of species across the Holarctic region, many narrowly specialized in their choice of pollen host plants. Female cliff mining bees construct vertical or angled burrows in cliff faces, with lateral cells off the main shaft, each containing a pollen ball and a single egg. Males are typically smaller and emerge before females to establish territories near nesting sites. Many Andrena species are oligolectic, collecting pollen from only a small number of plant species, making their populations sensitive to the availability of specific flowering plants in the landscape surrounding nesting areas. Cliff and bank nesting habitats provide well-drained, sun-warmed substrates essential for brood development. The loss of natural cliff faces and earthen banks to development, vegetation succession, and quarrying reduces available nesting habitat for cliff mining bees.

Common Marsh-Mallow

<em>Althaea officinalis</em>, the common marsh mallow, is a tall perennial herb in the family Malvaceae, native to Europe and western Asia and now widely distributed across Africa, Asia, Europe, North America, and South America. It is classified as Near Threatened on the IUCN Red List. This species typically grows in saltmarshes, brackish ditches, damp meadows, and coastal habitats, and is also cultivated in gardens for its ornamental and medicinal properties. Common marsh mallow produces pale pink, five-petalled flowers and lobed, velvety leaves covered in soft hairs. It has a long history of medicinal use, with roots, leaves, and flowers employed to soothe mucous membranes and treat respiratory and digestive ailments. The original marshmallow confection was prepared from the mucilaginous root extract of this species. It grows in a range of biome types including grasslands, wetlands, and forest edges. Habitat loss, particularly of coastal wetlands, represents the primary pressure on populations across its native range.