storfuktmattevever
CR

storfuktmattevever

Allomengea scopigera

Unknown

Photo: (c) Frederik Leck Fischer, všetky práva vyhradené, uploaded by Frederik Leck Fischer

Overview

Allomengea scopigera, commonly known as storfuktmattevever, is a critically endangered spider species belonging to the family Linyphiidae. This small sheet weaver spider is endemic to specific regions of Scandinavia, where it inhabits specialized microhabitats within boreal forest ecosystems. The species exhibits highly specific ecological requirements, making it particularly vulnerable to environmental changes.

Its distribution appears to be extremely limited, with confirmed populations documented in only a few localities. The spider constructs characteristic sheet webs in the understory vegetation of old-growth coniferous forests, where it feeds on small arthropods. Habitat destruction through logging and forest management practices represents the primary threat to this species, as it requires mature forest conditions with specific moisture and temperature regimes.

Climate change poses an additional threat by altering the delicate environmental conditions necessary for the species' survival. The fragmented nature of remaining suitable habitat limits population connectivity and increases extinction risk. Conservation efforts for A.

scopigera are currently limited due to insufficient knowledge about its ecology and distribution. Research initiatives are needed to better understand population dynamics, habitat requirements, and potential conservation strategies. Protection of remaining old-growth forest patches within the species' range is considered essential for its long-term survival.

The species serves as an indicator of forest ecosystem health and highlights the importance of preserving specialized microhabitats within boreal forest landscapes.

The primary threat to Allomengea scopigera is habitat loss through logging and forest management activities that eliminate the old-growth forest conditions it requires. Climate change compounds these pressures by altering temperature and moisture regimes essential for the species' survival. The extremely limited distribution and habitat fragmentation further increase extinction risk by isolating small populations.

Threat summary

Habitat

Allomengea scopigera inhabits the understory of old-growth boreal coniferous forests, where it constructs sheet webs among low vegetation. The species requires specific moisture and temperature conditions found in mature forest microhabitats with stable environmental conditions.

Frequently asked questions

Why is storfuktmattevever classified as Critically Endangered?
storfuktmattevever is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. The primary threat to Allomengea scopigera is habitat loss through logging and forest management activities that eliminate the old-growth forest conditions it requires. Climate change compounds these pressures by altering temperature and moisture regimes essential for the species' survival. The extremely limited distribution and habitat fragmentation further increase extinction risk by isolating small populations.
Where does storfuktmattevever live?
storfuktmattevever occurs in Åland Islands, Austria, Belgium, Canada, Czechia, and Denmark (plus 14 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 storfuktmattevever?
The main threats to storfuktmattevever are habitat loss and human disturbance. 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.