prachtmierspin
Micaria dives
Conservation status data sourced from the IUCN Red List of Threatened Species.
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Micaria_dives
Taxonomy & Classification
Kingdom
Animalia
Phylum
Arthropoda
Class
Arachnida
Order
Araneae
Family
Gnaphosidae
Genus
Micaria
prachtmierspin belongs to the family Gnaphosidae, order Araneae, within the Arachnida class.
Species Profile
Species profile data sourced from the IUCN Red List of Threatened Species.
Micaria dives faces severe population declines due to habitat destruction from urbanization and agricultural expansion across its limited range. The species' specialized habitat requirements and small population size make it particularly vulnerable to environmental changes and human disturbance.
Key Facts
Habitat & Distribution
Inhabits dry, sandy soils in open grasslands, heathlands, and sparse woodland edges, typically in areas with low vegetation cover and well-drained substrates. Shows preference for xerothermic habitats with specific microclimate conditions.
Threats
IUCN Red List: Critically Endangered
Micaria dives faces severe population declines due to habitat destruction from urbanization and agricultural expansion across its limited range. The species' specialized habitat requirements and small population size make it particularly vulnerable to environmental changes and human disturbance.
Agricultural intensification
Habitat loss from urban development
Small population size and genetic bottlenecks
Climate change affecting microhabitat conditions
Pesticide use in surrounding areas
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). prachtmierspin (Micaria dives). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/prachtmierspin