Strongylognathus arnoldii
VU

Strongylognathus arnoldii

Unknown

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

Overview

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

Strongylognathus arnoldii faces severe population declines due to habitat fragmentation and loss of suitable nesting sites in its specialized grassland and heathland environments. The species' obligate social parasitic lifestyle makes it particularly vulnerable, as it depends entirely on specific host ant species (primarily Tetramorium caespitum) for colony establishment and survival. Agricultural intensification and urban development have reduced both the availability of appropriate microhabitats and the density of host colonies, creating a cascading effect that threatens the species' reproductive success.

Threat summary

Habitat

Strongylognathus arnoldii inhabits dry grasslands, heathlands, and sandy areas with sparse vegetation, typically in areas with well-drained soils. The species requires specific microhabitats that support both its own nesting requirements and those of its obligate host ant species, Tetramorium caespitum.

Frequently asked questions

Why is Strongylognathus arnoldii classified as Vulnerable?
Strongylognathus arnoldii 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. Strongylognathus arnoldii faces severe population declines due to habitat fragmentation and loss of suitable nesting sites in its specialized grassland and heathland environments. The species' obligate social parasitic lifestyle makes it particularly vulnerable, as it depends entirely on specific host ant species (primarily Tetramorium caespitum) for colony establishment and survival. Agricultural intensification and urban development have reduced both the availability of appropriate microhabitats and the density of host colonies, creating a cascading effect that threatens the species' reproductive success.
Where does Strongylognathus arnoldii live?
Strongylognathus arnoldii occurs in Ukraine. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Strongylognathus arnoldii?
The main threats to Strongylognathus arnoldii 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.

Get weekly conservation intelligence

One short digest a week of the most striking species and country data we ship, plus breaking conservation news paired with our database where it matters.

Free, no spam. One-click unsubscribe in every email.