Krueper's Small White
VU

Krueper's Small White

Pieris krueperi

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

Overview

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

Krueper's Small White faces significant pressure from habitat degradation in its Mediterranean mountain ranges, where agricultural intensification and urban development fragment its specialized limestone grassland habitats. Climate change poses an additional threat by altering the elevation zones where its host plants thrive, potentially forcing populations into increasingly restricted refugia. The species' narrow ecological requirements and limited dispersal ability make it particularly vulnerable to these combined pressures.

Threat summary

Habitat

This butterfly inhabits dry, rocky limestone grasslands and scrublands in mountainous regions of the eastern Mediterranean, typically at elevations between 500-1500 meters. It shows a strong preference for areas with abundant wild mustard family plants, particularly those growing in calcareous soils with sparse vegetation cover.

Frequently asked questions

Why is Krueper's Small White classified as Vulnerable?
Krueper's Small White 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. Krueper's Small White faces significant pressure from habitat degradation in its Mediterranean mountain ranges, where agricultural intensification and urban development fragment its specialized limestone grassland habitats. Climate change poses an additional threat by altering the elevation zones where its host plants thrive, potentially forcing populations into increasingly restricted refugia. The species' narrow ecological requirements and limited dispersal ability make it particularly vulnerable to these combined pressures.
Where does Krueper's Small White live?
Krueper's Small White occurs in Afghanistan, Albania, Armenia, Bulgaria, China, and Greece (plus 10 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 Krueper's Small White?
The main threats to Krueper's Small White 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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