Variables used to model the environmental favourability for potential wild hosts of Culicoides imicola: red deer, roe deer and wild boar.

Variables included in each model and the sign of their coefficients (positive or negative) are shown. All variables were retained at pSources:(1)[30];(3)[53]; data on the number of inhabitants of urban centres taken from the ‘Instituto Nacional de Estadística’ (http://www.ine.es).