VU

Red Relic

Pentaphlebia stahli

Unknown

Overview

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

Pentaphlebia stahli faces significant threats from habitat degradation in its limited Puerto Rican range. Stream pollution from agricultural runoff and urban development has compromised water quality in the pristine mountain streams this damselfly requires for reproduction. Deforestation and climate change-induced alterations to rainfall patterns further threaten the delicate aquatic ecosystems upon which this endemic species depends.

Threat summary

Habitat

This endemic Puerto Rican damselfly inhabits pristine mountain streams and adjacent riparian forests in the island's central highlands. The species requires clean, fast-flowing waters with rocky substrates and dense canopy cover that maintains cool, humid microclimates essential for its aquatic larval development.

Forest - Subtropical/tropical moist lowland· majorWetlands (inland) - Permanent rivers/streams· major

Conservation measures underway

Species recovery

Other threatened species in PENTAPHLEBIIDAE

CR

Gambles's Relic

Pentaphlebia gamblesi

Unknown

Threatened in Cameroon

Curlew SandpiperVU

Curlew Sandpiper

Calidris ferruginea

Declining
Eisentraut's ShrewVU

Eisentraut's Shrew

Crocidura eisentrauti

Stable
EN

Louisea balssi

Unknown
CR

Dichapetalum letouzeyi

Unknown

Frequently asked questions

Why is Red Relic classified as Vulnerable?
Red Relic 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. Pentaphlebia stahli faces significant threats from habitat degradation in its limited Puerto Rican range. Stream pollution from agricultural runoff and urban development has compromised water quality in the pristine mountain streams this damselfly requires for reproduction. Deforestation and climate change-induced alterations to rainfall patterns further threaten the delicate aquatic ecosystems upon which this endemic species depends.
Where does Red Relic live?
Red Relic occurs in Cameroon, Gabon, and Nigeria. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Red Relic?
The main threats to Red Relic 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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