PALMA’S forests were treated against the Pine Processionary caterpillar. A helicopter sprayed Bellver Forest and the forests by Marivent Palace with the air treatment between 8am and 10am.
During this time Bellver Castle and the forest was closed to the public until 11am.
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A total of 143 hectares of pine forest was treated with the substance which is harmless to mammals, birds, fish and bees.
This preventative measure has been in place for the past three years, significantly reducing the number of the caterpillars, according to town hall technicians.
Their bodies are covered in fine hairs that cause skin irritation when touched.