ENEndangered

Ege-barkplet

Cyrtidula quercus

The Ege-barkplet (Cyrtidula quercus) is a small, cryptically-colored arthropod that inhabits the bark crevices of oak trees, displaying mottled brown and gray patterns that provide excellent camouflage against tree bark. This specialized species plays a crucial role in forest ecosystems as both a decomposer of organic matter trapped in bark fissures and as prey for insectivorous birds and spiders.

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Ascomycota

Class

Dothideomycetes

Genus

Cyrtidula

Ege-barkplet belongs to the family unknown, order unknown, within the Dothideomycetes class.

02Description

Species Profile

The Ege-barkplet (Cyrtidula quercus) is a small, cryptically-colored arthropod that inhabits the bark crevices of oak trees, displaying mottled brown and gray patterns that provide excellent camouflage against tree bark. This specialized species plays a crucial role in forest ecosystems as both a decomposer of organic matter trapped in bark fissures and as prey for insectivorous birds and spiders.

The primary threats to Ege-barkplet populations include widespread oak forest fragmentation and the increasing prevalence of invasive bark diseases that alter the microhabitat structure essential for their survival. Climate change-induced shifts in oak tree health and bark moisture levels further compromise the specific microclimatic conditions this species requires for reproduction and feeding.

Key Facts

IUCN StatusEndangered (EN)
GroupFungi
03Habitat

Habitat & Distribution

Ege-barkplets are found exclusively in the deep bark crevices of mature oak trees, particularly favoring the furrowed bark of trees over 50 years old where humidity levels remain stable. They require oak forests with minimal human disturbance, where fallen leaves and organic debris accumulate around tree bases to support their complex life cycle.

TERRESTRIALMajor
04Threats

Threats

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IUCN Red List: Endangered

The primary threats to Ege-barkplet populations include widespread oak forest fragmentation and the increasing prevalence of invasive bark diseases that alter the microhabitat structure essential for their survival. Climate change-induced shifts in oak tree health and bark moisture levels further compromise the specific microclimatic conditions this species requires for reproduction and feeding.

Detailed threat classification data is sourced from IUCN assessments as they become available.

Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Ege-barkplet (Cyrtidula quercus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/ege-barkplet

Full citation guide & data usage terms