The short-necked oil beetle relies on solitary bees to complete its life cycle, with parasitic larvae latching onto bees to consume pollen stores inside their nests. Despite an initial sighting in 2020, subsequent surveys turned up only deceased specimens until a 2026 search revealed healthy larvae. The Bumblebee Conservation Trust verified these findings as evidence of a reproducing local population. The preservation work also benefits associated local flora and fauna, including the shrill carder bee and pale dog violet.
Key points
A 2026 discovery of thriving larvae confirmed that the Pembrokeshire population is active…: A 2026 discovery of thriving larvae confirmed that the Pembrokeshire population is actively breeding rather than dying out.
The beetle depends entirely on solitary bee nests, flower cover, and dense coastal vegeta…: The beetle depends entirely on solitary bee nests, flower cover, and dense coastal vegetation to sustain its one-year lifespan.
Habitat protection through the Natur am Byth recovery programme concurrently shields othe…: Habitat protection through the Natur am Byth recovery programme concurrently shields other rare wildlife, such as the goldilocks aster.
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A rare beetle has been rediscovered in Wales after nearly 60 years, conservationists have said.
The short-necked oil beetle, driven to the brink of extinction in Britain due to habitat loss over the course of the 20th century, has been found at the Castlemartin range in Pembrokeshire, according to Natural Resources Wales (NRW).
The species’ name comes from the adult beetles’ stubby shape and ability to secrete an oily yellow-orange substance from their knee joints when alarmed.
The unusual creature relies on solitary bees and thick vegetation and flower coverage to survive. Its larvae have hook-like feet to snag on to bees, and once in their nest, they feed on pollen until ready to emerge as adults, with a lifespan of about a year.
Only a handful of sites in the UK are suitable for the beetle, according to NRW, and only about one in 10,000 larvae make it to adulthood. It is classed as nationally rare.
The bug was rediscovered in Devon in 2006, and populations have since been found in the Hebrides and on Salisbury Plain.
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University of Cambridge researchers analyzing remains from Shanidar Cave in Iraqi Kurdistan identified a deadly puncture wound that pierced a lung and shoulder blade. The round shape and downward angle indicate a thrust from a sharpened wooden spear potentially aimed directly at the heart. These findings offer rare archaeological insight into the hazardous social and hunting conditions prehistoric hominins faced tens of thousands of years ago.
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