heidedraaigatje
Tapinoma ambiguum
The heidedraaigatje (Tapinoma ambiguum) is a small, dark-colored ant species with workers measuring 2-3mm in length and characterized by their distinctive amber-tinted legs and antennae. These ants play a crucial ecological role as soil aerators and seed dispersers in European heathland ecosystems, while also serving as important prey for specialized heathland birds and spiders.
11
Countries
Taxonomy & Classification
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Hymenoptera
Family
Formicidae
Genus
Tapinoma
heidedraaigatje belongs to the family Formicidae, order Hymenoptera, within the Insecta class.
Species Profile
The heidedraaigatje (Tapinoma ambiguum) is a small, dark-colored ant species with workers measuring 2-3mm in length and characterized by their distinctive amber-tinted legs and antennae. These ants play a crucial ecological role as soil aerators and seed dispersers in European heathland ecosystems, while also serving as important prey for specialized heathland birds and spiders.
Tapinoma ambiguum faces severe population declines primarily due to habitat destruction from urban development and agricultural expansion in its limited range. The species' specialized nesting requirements and small population size make it particularly vulnerable to environmental disturbances and climate change impacts.
Key Facts
Habitat & Distribution
Tapinoma ambiguum inhabits dry sandy heathlands and coastal dune systems, particularly areas with sparse vegetation dominated by heather (Calluna vulgaris) and cross-leaved heath (Erica tetralix). The species requires well-drained acidic soils with specific moisture gradients, typically nesting beneath small shrubs or in partially exposed sandy patches between vegetation.
Threats
IUCN Red List: Endangered
Tapinoma ambiguum faces severe population declines primarily due to habitat destruction from urban development and agricultural expansion in its limited range. The species' specialized nesting requirements and small population size make it particularly vulnerable to environmental disturbances and climate change impacts.
Agricultural intensification
Habitat loss from urbanization
Climate change altering microhabitat conditions
Invasive ant species competition
Pesticide use in surrounding areas
Found in 11 Countries
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). heidedraaigatje (Tapinoma ambiguum). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/heidedraaigatje