Pediacus depressus
EN

Pediacus depressus

Local name: Rostbrauner Plattkäfer

UnknownLCEULCEU

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

Overview

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

The Rostbrauner Plattkäfer faces severe population decline primarily due to the loss of ancient deciduous forests containing its specialized habitat requirements. This saproxylic beetle depends on specific fungal associations within decaying hardwood, particularly beech and oak, making it extremely vulnerable to modern forestry practices that remove dead wood. Climate change compounds these pressures by altering forest composition and reducing the availability of suitable microhabitats.

Threat summary

Habitat

This specialized saproxylic beetle inhabits ancient deciduous forests, particularly those dominated by beech and oak trees. It requires specific microhabitats within decaying hardwood where it develops in association with particular fungal communities.

Threatened in Åland Islands

Calidris ferrugineaVU

Calidris ferruginea

Declining
Scarce BlackneckCR

Scarce Blackneck

Lygephila craccae

Unknown
EN

knopphodeedderkopp

Walckenaeria nodosa

Unknown
EN

Dolichopus notatus

Unknown

Frequently asked questions

Why is Rostbrauner Plattkäfer classified as Endangered?
Rostbrauner Plattkäfer is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. The Rostbrauner Plattkäfer faces severe population decline primarily due to the loss of ancient deciduous forests containing its specialized habitat requirements. This saproxylic beetle depends on specific fungal associations within decaying hardwood, particularly beech and oak, making it extremely vulnerable to modern forestry practices that remove dead wood. Climate change compounds these pressures by altering forest composition and reducing the availability of suitable microhabitats.
Where does Rostbrauner Plattkäfer live?
Rostbrauner Plattkäfer occurs in Åland Islands, Austria, Belgium, Canada, Czechia, and Denmark (plus 16 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 Rostbrauner Plattkäfer?
The main threats to Rostbrauner Plattkäfer 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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