EN

Newcombia cumingi

Unknown

Overview

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

Newcombia cumingi faces severe population decline primarily due to habitat destruction from urban development and agricultural expansion across its native Hawaiian range. Introduced predatory species, particularly the rosy wolfsnail (Euglandina rosea), have devastated native snail populations throughout the Hawaiian Islands. Climate change compounds these pressures by altering moisture patterns essential for this species' survival, while invasive plant species continue to degrade the native forest understory habitat.

Threat summary

Habitat

Newcombia cumingi inhabits native Hawaiian forest understory environments, particularly in areas with high moisture retention and dense leaf litter. The species requires specific microhabitat conditions found in native ohia and koa forest ecosystems at mid-elevations.

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Frequently asked questions

Why is Newcombia cumingi classified as Endangered?
Newcombia cumingi 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. Newcombia cumingi faces severe population decline primarily due to habitat destruction from urban development and agricultural expansion across its native Hawaiian range. Introduced predatory species, particularly the rosy wolfsnail (Euglandina rosea), have devastated native snail populations throughout the Hawaiian Islands. Climate change compounds these pressures by altering moisture patterns essential for this species' survival, while invasive plant species continue to degrade the native forest understory habitat.
Where does Newcombia cumingi live?
Newcombia cumingi occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Newcombia cumingi?
The main threats to Newcombia cumingi 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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