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Forest pests in Catalonia show changes in habits due to temperature changes

Insect pests can be considered bioindicators of climate change.

The pine processionary moth has moved to 1,800 metres and the oak scale insect has spread.

The Department of the Environment and Housing has observed that a number of insects that are forest pests, such the pine processionary moth or the oak scale insect, are changing their behaviour due to the increase in temperatures. This increase has been noted by the Intergovernmental Panel on Climate Change (IPCC), who concluded that temperatures have risen between 0.3-0.6ºC over the last century, as man-made CO2 emissions accumulate dangerously alongside natural greenhouse gases in the atmosphere.

5th November 2009