Mallota cimbiciformis
VU

Mallota cimbiciformis

Local name: svart hålblomfluga

UnknownLCEULCEU

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

Overview

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

Mallota cimbiciformis faces severe population declines primarily due to the loss of ancient deciduous forests containing large hollow trees essential for its larval development. Modern forestry practices that remove dead and dying trees eliminate the water-filled tree holes where larvae develop, while forest fragmentation isolates remaining populations and reduces genetic diversity.

Threat summary

Habitat

This hoverfly species inhabits mature deciduous and mixed forests, particularly those containing ancient oak, beech, and other broadleaf trees with natural cavities. The larvae specifically require water-filled tree holes in living or recently dead trees, making old-growth forest ecosystems critical for reproduction.

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Frequently asked questions

Why is svart hålblomfluga classified as Vulnerable?
svart hålblomfluga 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. Mallota cimbiciformis faces severe population declines primarily due to the loss of ancient deciduous forests containing large hollow trees essential for its larval development. Modern forestry practices that remove dead and dying trees eliminate the water-filled tree holes where larvae develop, while forest fragmentation isolates remaining populations and reduces genetic diversity.
Where does svart hålblomfluga live?
svart hålblomfluga occurs in Albania, Australia, Austria, Denmark, France, and Germany (plus 10 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 svart hålblomfluga?
The main threats to svart hålblomfluga 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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