Prostomis mandibularis
CR

Prostomis mandibularis

UnknownNTEUNTEU

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

Overview

Prostomis mandibularis is a beetle of the family Prostomidae. The beetle can be found in northern and eastern Europe, the Caucasus, Elbrus Mountains, and North America.

Prostomis mandibularis faces severe population declines due to widespread loss of old-growth forest habitats across its range. The species' dependence on specific fungal associations in decaying wood makes it particularly vulnerable to intensive forestry practices and habitat fragmentation. Climate change further threatens the delicate moisture and temperature conditions required for its specialized ecological niche.

Threat summary

Habitat

Inhabits old-growth and mature coniferous and mixed forests, particularly those with abundant dead and decaying wood. The species requires specific moisture conditions and fungal associations found in undisturbed forest ecosystems with substantial coarse woody debris.

Threatened in Austria

VU

Lepiota echinella

Unknown
EN

Lyophyllum deliberatum

Unknown
VU

Large Tree-chernes

Dendrochernes cyrneus

Unknown
EN

Pipizella nigriana

Unknown

Frequently asked questions

Why is Prostomis mandibularis classified as Critically Endangered?
Prostomis mandibularis is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Prostomis mandibularis faces severe population declines due to widespread loss of old-growth forest habitats across its range. The species' dependence on specific fungal associations in decaying wood makes it particularly vulnerable to intensive forestry practices and habitat fragmentation. Climate change further threatens the delicate moisture and temperature conditions required for its specialized ecological niche.
Where does Prostomis mandibularis live?
Prostomis mandibularis occurs in Austria, Belarus, Bulgaria, Croatia, Czechia, and Denmark (plus 19 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 Prostomis mandibularis?
The main threats to Prostomis mandibularis 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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