Boletina trispinosa
VU

Boletina trispinosa

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Boletina_trispinosa

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Boletina trispinosa faces significant pressure from habitat degradation in its specialized fungal microhabitats within old-growth forests. The species' dependence on specific mycorrhizal associations makes it particularly vulnerable to forest fragmentation and changes in soil chemistry from atmospheric pollution. Climate-driven shifts in fungal communities and moisture regimes further threaten the delicate ecological relationships this fungus gnat requires for reproduction and larval development.

Threat summary

Habitat

Boletina trispinosa inhabits the understory of mature temperate forests, particularly in areas with rich fungal diversity and established mycorrhizal networks. The species requires specific microhabitat conditions including decaying organic matter, stable moisture levels, and the presence of particular fungal species that serve as larval food sources.

Frequently asked questions

Why is Boletina trispinosa classified as Vulnerable?
Boletina trispinosa is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Boletina trispinosa faces significant pressure from habitat degradation in its specialized fungal microhabitats within old-growth forests. The species' dependence on specific mycorrhizal associations makes it particularly vulnerable to forest fragmentation and changes in soil chemistry from atmospheric pollution. Climate-driven shifts in fungal communities and moisture regimes further threaten the delicate ecological relationships this fungus gnat requires for reproduction and larval development.
Where does Boletina trispinosa live?
Boletina trispinosa occurs in Austria, Canada, Denmark, Estonia, Finland, and Germany (plus 4 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Boletina trispinosa?
The main threats to Boletina trispinosa are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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