VU

Plain Dark-Bee

Stelis phaeoptera

UnknownDDEUDDEU

Overview

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

The Plain Dark-Bee faces significant pressure from habitat degradation and fragmentation of its specialized nesting sites. As a cleptoparasitic bee that depends on specific host species, population declines of its hosts directly threaten its survival. Agricultural intensification and urbanization have reduced the availability of suitable nesting substrates and floral resources essential for both the species and its hosts.

Threat summary

Habitat

Stelis phaeoptera inhabits open woodlands, forest edges, and semi-natural grasslands where its host bee species construct their nests. The species requires areas with diverse flowering plants and suitable nesting substrates including dead wood, plant stems, and soil banks used by its hosts.

Frequently asked questions

Why is Plain Dark-Bee classified as Vulnerable?
Plain Dark-Bee 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 Plain Dark-Bee faces significant pressure from habitat degradation and fragmentation of its specialized nesting sites. As a cleptoparasitic bee that depends on specific host species, population declines of its hosts directly threaten its survival. Agricultural intensification and urbanization have reduced the availability of suitable nesting substrates and floral resources essential for both the species and its hosts.
Where does Plain Dark-Bee live?
Plain Dark-Bee occurs in Åland Islands, Austria, Belarus, Belgium, Czechia, and Denmark (plus 24 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 Plain Dark-Bee?
The main threats to Plain Dark-Bee 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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