Scarce Dwarf
VU

Scarce Dwarf

Elachista trapeziella

Unknown

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

Overview

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

The Scarce Dwarf faces significant pressure from habitat degradation and fragmentation of its specialized grassland environments. Agricultural intensification and the conversion of traditional hay meadows to improved pastures have reduced the availability of suitable breeding sites. Climate change poses additional risks through altered precipitation patterns that affect the growth cycles of its host grasses, potentially disrupting the moth's carefully synchronized life cycle.

Threat summary

Habitat

Elachista trapeziella inhabits species-rich calcareous grasslands, chalk downs, and traditional hay meadows across Europe. The species requires areas with diverse grass communities, particularly those containing its host plants from the Poaceae family, and benefits from extensive rather than intensive management regimes.

Frequently asked questions

Why is Scarce Dwarf classified as Vulnerable?
Scarce Dwarf 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. The Scarce Dwarf faces significant pressure from habitat degradation and fragmentation of its specialized grassland environments. Agricultural intensification and the conversion of traditional hay meadows to improved pastures have reduced the availability of suitable breeding sites. Climate change poses additional risks through altered precipitation patterns that affect the growth cycles of its host grasses, potentially disrupting the moth's carefully synchronized life cycle.
Where does Scarce Dwarf live?
Scarce Dwarf occurs in Åland Islands, Austria, Denmark, Estonia, Finland, and France (plus 6 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 Scarce Dwarf?
The main threats to Scarce Dwarf 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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