vs Common Roller

Coccomyces tumidus compared with Ancylis badiana

Key Differences

is Not Evaluated while Common Roller is Least Concern.

Taxonomic Classification

Rank		Common Roller
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Leotiomycetes (Leotiomycetes)	Insecta (Insects)
Order	Rhytismatales (Rhytismatales)	Lepidoptera (Butterflies & Moths)
Family	Rhytismataceae	Tortricidae
Genus	Coccomyces	Ancylis
Species	Coccomyces tumidus	Ancylis badiana

Conservation Status

NE — Not Evaluated

Common Roller

LC — Least Concern

Physical Characteristics

Attribute		Common Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, and Norway.

Common Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Coccomyces tumidus is a small discomycete fungus in the family Rhytismataceae, found decomposing fallen leaves and plant debris in temperate European woodlands. The genus Coccomyces belongs to the order Rhytismatales, a group of ascomycetes that predominantly occupy a saprotrophic niche on dead plant material, though some relatives in the family are pathogenic on living plant hosts. Coccomyces tumidus produces the characteristic small, dark, disc-shaped apothecia typical of the genus, which emerge from or are embedded in the surface of decomposing leaves. The species epithet 'tumidus'—Latin for swollen—likely refers to a distinctive swollen or raised morphology of the stromata or fruiting bodies. This species has been recorded from European forest habitats, where it colonizes the leaf litter layer of deciduous forests, assisting in the physical and chemical breakdown of plant debris. The fruiting bodies produce asci containing ascospores that are dispersed by air currents to infect new substrate during periods of wet weather conducive to spore germination. Coccomyces species as a group present taxonomic challenges due to the small size and morphological similarity of fruiting bodies, and molecular phylogenetic methods have been necessary to clarify species boundaries within the genus. As a decomposer, C. tumidus contributes to carbon and nutrient cycling in European forest ecosystems. Its conservation status has not been assessed by the IUCN.

Common Roller

<em>Ancylis badiana</em>, the common roller, is a small moth in the family Tortricidae, order Lepidoptera. It is distributed across northwestern Europe, with documented records from Belgium, Denmark, Norway, and Sweden, typically inhabiting woodland margins, hedgerows, scrubland, and areas where its larval host plants are abundant. The species is assessed as Least Concern on the IUCN Red List. Tortricid moths in the genus Ancylis are commonly known as "rollers" or "leafrollers" because their larvae typically roll or fold leaves of host plants to create sheltered feeding structures. <em>Ancylis badiana</em> larvae feed on the foliage of various herbaceous plants, particularly species in the pea family (Fabaceae). Adults are small moths with intricately patterned wings that provide camouflage against bark and plant material. Adult moths are primarily nocturnal and are attracted to light, while larvae are cryptic within their leaf shelters. Biological traits such as lifespan, body measurements, and detailed diet host range remain poorly documented beyond general family-level characteristics. The species typically completes one to two generations per year in temperate European climates, overwintering as pupae. It is considered a minor component of invertebrate biodiversity in European lowland habitats.