Buff-tailed Mining Bee vs Cluster Spiderhead

Andrena humilis compared with Serruria glomerata

Key Differences

Buff-tailed Mining Bee is Extinct while Cluster Spiderhead is Least Concern.

Taxonomic Classification

Rank	Buff-tailed Mining Bee	Cluster Spiderhead
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hymenoptera (Ants, Bees & Wasps)	Proteales (Proteales)
Family	Andrenidae	Proteaceae
Genus	Andrena	Serruria
Species	Andrena humilis	Serruria glomerata

Conservation Status

Buff-tailed Mining Bee

EX — Extinct

Cluster Spiderhead

LC — Least Concern

Physical Characteristics

Attribute	Buff-tailed Mining Bee	Cluster Spiderhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

Cluster Spiderhead

Habitat

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

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Cluster Spiderhead

Serruria glomerata, the cluster spiderhead, is a flowering shrub endemic to the Cape Floristic Region of South Africa, one of the world's six recognized floral kingdoms and a global biodiversity hotspot. The species belongs to the family Proteaceae and is restricted to fynbos, the fire-adapted shrubland of the Western Cape characterized by nutrient-poor, often acidic soils of sandstone or granite origin. Like other Serruria species, S. glomerata produces intricate, lace-like flower heads composed of many small flowers surrounded by feathery, spider-like bracts, which are pollinated by a range of insects including bees and beetles. Serruria glomerata is assessed as Least Concern by the IUCN, though like all Cape fynbos plants it exists within a biodiversity-rich but geographically confined region under persistent pressure from agricultural expansion, urban development, invasive alien plants, and altered fire regimes. The genus Serruria comprises around 55 species, most endemic to the Western Cape. Many require fire for seed release and germination, and some have obligate relationships with specific ant species that cache and bury their seeds, a process called myrmecochory that aids in seed dispersal and protection from fire.