Cliff Mining Bee vs Common dandelion

Andrena thoracica compared with Taraxacum vulgare

Key Differences

• Cliff Mining Bee is Extinct while Common dandelion is Least Concern.

Taxonomic Classification

Rank	Cliff Mining Bee	Common dandelion
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hymenoptera (Ants, Bees & Wasps)	Asterales (Daisies & Sunflowers)
Family	Andrenidae	Asteraceae (Daisy Family)
Genus	Andrena	Taraxacum
Species	Andrena thoracica	Taraxacum vulgare

Conservation Status

Cliff Mining Bee

EX — Extinct

Common dandelion

LC — Least Concern

Physical Characteristics

Attribute	Cliff Mining Bee	Common dandelion
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 dandelion

Habitat

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

Range

Found in 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 dandelion

<em>Taraxacum vulgare</em>, known as the common dandelion, is a perennial herbaceous plant in the family Asteraceae. This species is found in the United States, where it occupies a broad range of terrestrial habitats including lawns, meadows, roadsides, and disturbed urban and agricultural landscapes. <em>Taraxacum vulgare</em> is characterized by a basal rosette of irregularly lobed leaves, hollow flowering scapes, and bright yellow composite flower heads that develop into characteristic spherical seed clocks dispersed by wind. The species typically blooms from early spring through autumn and is capable of apomictic reproduction, allowing it to spread prolifically without cross-fertilization. It generally favors moist, nutrient-rich soils but tolerates a wide range of conditions. This dandelion is assessed as Least Concern and is considered a beneficial resource for early-season pollinators, including bees and butterflies. Its leaves and roots are also used in culinary and traditional medicinal preparations. Biological traits specific to <em>Taraxacum vulgare</em> as distinct from related aggregate dandelion taxa remain somewhat incompletely documented in the scientific literature.