VUVulnerable

bredsnabelmattevever

Centromerus semiater

The bredsnabelmattevever (Centromerus semiater) is a small sheet weaver spider characterized by its distinctive broad, flattened chelicerae and matte black coloration with subtle brownish markings. This diminutive arachnid plays a crucial role in controlling populations of small arthropods in its specialized microhabitat, constructing delicate horizontal sheet webs near ground level.

15

Countries

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Linyphiidae

Genus

Centromerus

bredsnabelmattevever belongs to the family Linyphiidae, order Araneae, within the Arachnida class.

02Description

Species Profile

The bredsnabelmattevever (Centromerus semiater) is a small sheet weaver spider characterized by its distinctive broad, flattened chelicerae and matte black coloration with subtle brownish markings. This diminutive arachnid plays a crucial role in controlling populations of small arthropods in its specialized microhabitat, constructing delicate horizontal sheet webs near ground level.

Centromerus semiater faces significant threats from habitat degradation and fragmentation due to agricultural intensification and urban development across its European range. Climate change poses additional risks by altering the microhabitat conditions essential for this small spider species, while pesticide use in agricultural areas directly impacts both the species and its prey base.

Key Facts

IUCN StatusVulnerable (VU)
GroupArachnids
03Habitat

Habitat & Distribution

This species inhabits leaf litter, low vegetation, and soil layers in deciduous and mixed forests, woodland edges, and semi-natural grasslands across temperate European regions. It shows preference for areas with stable moisture levels and organic matter accumulation.

04Threats

Threats

Habitat fragmentation from agricultural intensification

HighOngoing

Urban development and land use change

HighOngoing

Climate change affecting microhabitat conditions

MediumOngoing

Loss of prey species due to ecosystem degradation

MediumOngoing

Pesticide contamination

MediumOngoing
Community

Community Sightings

Report a sighting

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07Sources

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). bredsnabelmattevever (Centromerus semiater). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/bredsnabelmattevever

Full citation guide & data usage terms