Graphoderus bilineatus
VU

Graphoderus bilineatus

Unknown

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

Overview

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

Graphoderus bilineatus faces severe population declines primarily due to habitat degradation and loss of suitable aquatic environments. Water pollution from agricultural runoff and urban development has contaminated many of the clean, well-oxygenated waters this species requires. Climate change is altering precipitation patterns and water temperatures, further reducing available habitat quality and connectivity between populations.

Threat summary

Habitat

This aquatic beetle inhabits clean, well-oxygenated freshwater environments including ponds, lakes, and slow-moving streams with abundant vegetation. It requires stable water levels and high water quality, typically found in less disturbed wetland systems across its European range.

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Frequently asked questions

Why is Graphoderus bilineatus classified as Vulnerable?
Graphoderus bilineatus 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. Graphoderus bilineatus faces severe population declines primarily due to habitat degradation and loss of suitable aquatic environments. Water pollution from agricultural runoff and urban development has contaminated many of the clean, well-oxygenated waters this species requires. Climate change is altering precipitation patterns and water temperatures, further reducing available habitat quality and connectivity between populations.
Where does Graphoderus bilineatus live?
Graphoderus bilineatus occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Graphoderus bilineatus?
The main threats to Graphoderus bilineatus 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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