Collembola vs Common Brassy Ringlet

Folsomides angularis compared with Erebia cassioides

Key Differences

• Collembola is Not Evaluated while Common Brassy Ringlet is Least Concern.

Taxonomic Classification

Rank	Collembola	Common Brassy Ringlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Collembola (springtail)	Insecta (Insects)
Order	Entomobryomorpha (Entomobryomorpha)	Lepidoptera (Butterflies & Moths)
Family	Isotomidae	Nymphalidae (Brush-footed Butterflies)
Genus	Folsomides	Erebia
Species	Folsomides angularis	Erebia cassioides

Evolutionary Relationship

Collembola and Common Brassy Ringlet share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Collembola

NE — Not Evaluated

Common Brassy Ringlet

LC — Least Concern

Physical Characteristics

Attribute	Collembola	Common Brassy Ringlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Collembola

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States.

Common Brassy Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Austria, Bosnia and Herzegovina, Bulgaria, and Italy.

Collembola

<em>Folsomides angularis</em>, commonly referred to as Collembola in reference to its broader taxonomic order, is a springtail species belonging to the genus <em>Folsomides</em>. Springtails are among the most abundant hexapods in terrestrial ecosystems, playing important roles in soil decomposition and nutrient cycling. This species has been documented in Europe, with records from Denmark, Norway, and Sweden, as well as North America, where it is known from the United States. It typically inhabits soil, leaf litter, and decaying organic matter, and is capable of tolerating a range of environmental conditions. Springtails of this group are detritivores, feeding on decomposing plant material, fungal hyphae, and microorganisms, though specific dietary data for <em>Folsomides angularis</em> are not detailed in current records. The species has not been formally assessed for conservation status. Biological traits of this species remain poorly documented in the scientific literature. Its small body size and cryptic lifestyle make detailed ecological study challenging.

Common Brassy Ringlet

The common brassy ringlet (<em>Erebia cassioides</em>) is a butterfly species endemic to high-altitude mountain environments of central and southern Europe, with documented occurrences in Austria, Bosnia and Herzegovina, Bulgaria, and Italy. This species typically inhabits all terrestrial and freshwater environments within its alpine range, favoring subalpine and alpine grasslands at elevations often exceeding 1,500 meters. It is classified as Least Concern on the IUCN Red List, reflecting a currently stable population status. As a member of the family Nymphalidae, the common brassy ringlet often feeds on grasses and sedges during its larval stage, while adult butterflies are typically found nectaring on alpine flowers. The species is often associated with calcareous grasslands and rocky slopes, where it can be seen flying in warm, sunny conditions during the summer months. Biological traits of this species remain poorly documented in the scientific literature.