
heidesteekmier
Myrmica sulcinodis
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Myrmica_sulcinodis
Overview
Myrmica sulcinodis is a small reddish-brown ant species with distinctive grooved nodes on its petiole, measuring approximately 4-5mm in length. This specialized ant plays a crucial ecological role as a host species for the endangered large blue butterfly larvae and helps maintain the delicate balance of grassland ecosystems through its complex social structure and foraging behavior.
Myrmica sulcinodis faces severe population declines primarily due to habitat loss and degradation of its specialized heathland and moorland ecosystems. Climate change and agricultural intensification have further reduced the availability of suitable nesting sites and altered the microclimatic conditions this species requires.
Habitat
This species inhabits short, species-rich calcareous grasslands and chalk downs that are maintained by light grazing, particularly favoring areas with wild thyme and other low-growing herbs. The ants construct their nests in well-drained soils with sparse vegetation cover, often on south-facing slopes with specific temperature and moisture requirements.
Other threatened species in Formicidae
Threatened in Åland Islands
Frequently asked questions
Why is heidesteekmier classified as Critically Endangered?
Where does heidesteekmier live?
What are the main threats to heidesteekmier?
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