A rare beetle species once thought extinct in Wales has been rediscovered after 60 years. Source: bbc.co.uk.
Beetle Found After 60-Year Absence
The Short-Necked Oil Beetle has been spotted again in Pembrokeshire, Wales, following a gap of nearly six decades.
Since then, no sightings occurred in Wales until now.
What Experts Found This Year
After three years of searching at Castlemartin Range, conservationists found larvae of the beetle.
These larvae were discovered in a small area of the site, suggesting breeding activity.
The number and distribution of larvae support the idea that a new generation is emerging.
Why This Species Is Rare
The Short-Necked Oil Beetle depends on solitary bees for its lifecycle.
It requires thick vegetation for shelter and dense flower coverage for survival.
These habitat needs are now rare in the UK.
Life Cycle and Habitat
- Adults grow to about 24mm (0.9in) long.
- Adults live for about one year.
- They are most active during warm, sunny days from March to June.
- They thrive in coastal grasslands and sand dunes.
Conservation Efforts in Wales
Castlemartin Range is the only known site in Wales where the beetle can be found.
It is now being consistently surveyed by conservationists.
The discovery is part of Wales’s ‘flagship species recovery programme’.
Expert Reaction
Anne Hobbs from the Bumblebee Conservation Trust said the finding was ‘very exciting’.
She described the beetle as an ‘amazing creature’ and stressed the need to protect the habitat of multiple species.
She thanked volunteers and partners for their continued work, especially during a two-year period with no larval sightings.
Broader Context
The beetle was last seen in Devon in 2006 and on the Isle of Coll in 2009.
Since then, populations have been found on Tiree, Islay, Barra, and Uist.
These findings show that the species can survive in specific habitats, though it remains nationally rare.
Why This Matters
The rediscovery shows that some species may survive in isolated areas despite habitat loss.
It highlights the importance of targeted conservation efforts in maintaining biodiversity.
Limitations and Uncertainties
Experts do not yet know how widespread the breeding population is.
It is unclear whether the site will support long-term survival.
Further monitoring is needed to confirm the species’ future presence.
Conservationists hope continued management of the site will allow the beetle to thrive.
They are working to ensure the habitat remains stable and suitable for future generations.
Sources & further reading
Featured image: A black Short-Necked Oil Beetle on a blade of grass.. Via original publisher. Image source
