Cliff Mining Bee vs Common Peony

Andrena thoracica compared with Paeonia officinalis

Key Differences

Cliff Mining Bee is Extinct while Common Peony is Least Concern.

Taxonomic Classification

Rank	Cliff Mining Bee	Common Peony
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hymenoptera (Ants, Bees & Wasps)	Saxifragales (Saxifragales)
Family	Andrenidae	Paeoniaceae
Genus	Andrena	Paeonia
Species	Andrena thoracica	Paeonia officinalis

Conservation Status

Cliff Mining Bee

EX — Extinct

Common Peony

LC — Least Concern

Physical Characteristics

Attribute	Cliff Mining Bee	Common Peony
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 Peony

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (9 countries) and North America (Canada, United States).

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 Peony

<em>Paeonia officinalis</em>, the common peony, is a herbaceous perennial flowering plant in the family Paeoniaceae, widely cultivated for its large, showy flowers ranging from deep red to pink and white. In the wild, it typically grows in open woodlands, scrublands, and rocky hillsides across southern and central Europe, with native or naturalised populations documented in Austria, Belgium, the Czech Republic, France, Canada, and numerous other European and North American countries. The species prefers well-drained soils in partially shaded to open positions and produces large, deeply divided leaves alongside its ornamental blooms, which appear in late spring. <em>Paeonia officinalis</em> has a long history of medicinal and ornamental use spanning millennia, and numerous cultivated varieties have been developed. It is assessed as Least Concern on the IUCN Red List, reflecting stable populations in many parts of its native range, though wild populations can be locally threatened by over-collection, agricultural expansion, and habitat conversion. Biological traits such as average lifespan of individual plants, precise dimensions, and detailed dietary or metabolic data remain poorly documented in the scientific literature. The species plays a role in supporting pollinators, particularly beetles and bees that visit its flowers.