ciliate oak scale vs Cliff Mining Bee

Eulecanium ciliatum compared with Andrena thoracica

Key Differences

• ciliate oak scale is Not Evaluated while Cliff Mining Bee is Extinct.

Taxonomic Classification

Rank	ciliate oak scale	Cliff Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Hemiptera (Hemiptera)	Hymenoptera (Ants, Bees & Wasps)
Family	Coccidae	Andrenidae
Genus	Eulecanium	Andrena
Species	Eulecanium ciliatum	Andrena thoracica

Evolutionary Relationship

ciliate oak scale and Cliff Mining Bee share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

ciliate oak scale

NE — Not Evaluated

Cliff Mining Bee

EX — Extinct

Physical Characteristics

Attribute	ciliate oak scale	Cliff Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ciliate oak scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway and Sweden.

Cliff Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

ciliate oak scale

Ciliate oak scale (Eulecanium ciliatum) is a soft scale insect in the family Coccidae, found in Europe. Like other soft scales, the adult female forms a protective waxy or leathery scale cover under which she lays eggs and overwinters. Eulecanium ciliatum is associated with oak (Quercus) as its primary host, though it may also occur on other deciduous trees. The species feeds by piercing plant tissue and extracting phloem sap, and heavy infestations can weaken host branches; however, it is generally not considered a major economic pest. The name ciliatum refers to fringed or ciliate margins of the scale cover or body. Scale insects of the family Coccidae are widespread in temperate and subtropical regions, and many European species are incompletely documented in terms of distribution and population status. Eulecanium ciliatum has not been formally assessed by the IUCN. Natural enemies including parasitoid wasps, predatory beetles, and lacewings help regulate scale insect populations in forest ecosystems. The taxonomy of European Eulecanium has been subject to revision, and several historical records may require reassessment given updated species concepts. Oak forests across Europe support a rich community of specialist scale insects, many of which provide food for insectivorous birds during the nesting season. Conservation of mature oak woodland benefits the entire community of oak-associated invertebrates.

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden