Fig. 4From: A study of the composition of the Obsoletus complex and genetic diversity of Culicoides obsoletus populations in SpainDistribution of the 19 different C. obsoletus haplotypes identified in this study. Differences in size of the pie charts represent the number of individuals sampled per site. Spanish administrative boundaries were provided by the Instituto Geográfico Nacional (ign.es) (BDDAE CC-BY 4.0). For abbreviations, see Fig. 1Back to article page