One of Dublin's busiest hospitals has called in pest control over 100 times in the past two years.
St. James's Hospital has had to deal with recurring infestation problems.
Over €35,000 has been spent on pest control services in St James's Hospital since 2015.
Accoridng the Irish Indpendent, pest activity was reported in areas including a dialysis room, an endoscopy theatre and on bedside tables in wards.
Some of the insects found included cockroaches, mice and woodlice.
In particluar black clock beetles were found in a specialised unit for pateints undergoing bone marrow transplants.
The hospital's public relations company have yet to make comment on the issue which was released under the Freedom of Information Act.