Red Wood Ant
VU

Red Wood Ant

Formica rufa

Unknown

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

Overview

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

Wood Ant populations face severe pressure from forest fragmentation and intensive forestry practices that eliminate the mature coniferous and mixed woodlands they require for nest construction. Climate change poses an additional threat by altering forest composition and reducing the availability of aphid-tending opportunities that are crucial for colony nutrition. Habitat degradation from recreational activities and development further fragments their woodland territories, while pesticide use in adjacent agricultural areas can impact foraging workers and disrupt colony dynamics.

Threat summary

Habitat

Wood Ants inhabit mature coniferous and mixed deciduous-coniferous forests, particularly those dominated by spruce, pine, and fir trees. They construct large dome-shaped nests from pine needles, twigs, and other forest debris, typically in sunny clearings or forest edges with access to both canopy aphid colonies and ground-level foraging areas.

TERRESTRIAL· major

Frequently asked questions

Why is Red Wood Ant classified as Vulnerable?
Red Wood Ant 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. Wood Ant populations face severe pressure from forest fragmentation and intensive forestry practices that eliminate the mature coniferous and mixed woodlands they require for nest construction. Climate change poses an additional threat by altering forest composition and reducing the availability of aphid-tending opportunities that are crucial for colony nutrition. Habitat degradation from recreational activities and development further fragments their woodland territories, while pesticide use in adjacent agricultural areas can impact foraging workers and disrupt colony dynamics.
Where does Red Wood Ant live?
Red Wood Ant occurs in Åland Islands, Andorra, Armenia, Austria, Belarus, and Belgium (plus 33 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 Red Wood Ant?
The main threats to Red Wood Ant 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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