Hercostomus nigripennis
EN

Hercostomus nigripennis

Unknown

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

Overview

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

Hercostomus nigripennis faces severe population decline primarily due to habitat destruction from agricultural expansion and urban development across its limited range. The species' specialized ecological requirements make it particularly vulnerable to wetland drainage and water quality degradation. Climate change compounds these pressures by altering precipitation patterns that affect the aquatic environments essential for its larval development.

Threat summary

Habitat

This dipteran species inhabits freshwater wetlands, marshes, and riparian zones with emergent vegetation. It requires clean, slow-moving or standing water bodies with abundant organic matter for larval development.

Other threatened species in Dolichopodidae

EN

Dolichopus notatus

Unknown
VU

Dolichopus lancearius

Unknown
VU

Chrysotus laesus

Unknown
VU

Thinophilus flavipalpis

Unknown

Threatened in Belgium

VU

Lepiota echinella

Unknown
EN

Lyophyllum deliberatum

Unknown
Scarce BlackneckCR

Scarce Blackneck

Lygephila craccae

Unknown
Common Fire SalamanderVU

Common Fire Salamander

Salamandra salamandra

Declining

Frequently asked questions

Why is Hercostomus nigripennis classified as Endangered?
Hercostomus nigripennis is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Hercostomus nigripennis faces severe population decline primarily due to habitat destruction from agricultural expansion and urban development across its limited range. The species' specialized ecological requirements make it particularly vulnerable to wetland drainage and water quality degradation. Climate change compounds these pressures by altering precipitation patterns that affect the aquatic environments essential for its larval development.
Where does Hercostomus nigripennis live?
Hercostomus nigripennis occurs in Belgium, Denmark, France, Germany, Greece, and Isle of Man (plus 6 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 Hercostomus nigripennis?
The main threats to Hercostomus nigripennis 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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