Elaphrus viridis
CR

Elaphrus viridis

Unknown

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

Overview

Elaphrus viridis, the Delta green ground beetle, is a species of ground beetle restricted to a small region within Solano County, California. Its color is a metallic-green, usually with bronze spots on its elytra, though some lack these spots. The lack or reduction of circular pits on the elytra helps distinguish it from other ground beetles. Typical adults are about a quarter-inch (0.6 cm) in length.

Elaphrus viridis faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited coastal range. The species' dependence on specific salt marsh and mudflat environments makes it extremely vulnerable to sea level rise and coastal development projects. Pollution from agricultural runoff and urban sources further degrades the specialized wetland habitats this ground beetle requires for survival.

Threat summary

Habitat

Elaphrus viridis inhabits specialized coastal wetland environments including salt marshes, mudflats, and the margins of brackish pools. This ground beetle species requires areas with specific moisture levels and salinity conditions found in these transitional coastal ecosystems.

TERRESTRIAL· major

Frequently asked questions

Why is Elaphrus viridis classified as Critically Endangered?
Elaphrus viridis 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. Elaphrus viridis faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited coastal range. The species' dependence on specific salt marsh and mudflat environments makes it extremely vulnerable to sea level rise and coastal development projects. Pollution from agricultural runoff and urban sources further degrades the specialized wetland habitats this ground beetle requires for survival.
Where does Elaphrus viridis live?
Elaphrus viridis occurs in Russia, and United States. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Elaphrus viridis?
The main threats to Elaphrus viridis 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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