Counts of pine processionary moth tents on host trees in the agglomerations of Orléans, Montpellier and La Baule, France

The pine processionary moth Thaumetopoea pityocampa (Lepidoptera: Notodontidae) is a defoliating insect associated to conifers The larvae shelter in winter in conspicuous silk tents that are easy to detect. The dataset we present here corresponds to tree characterization and tent counts from 3 agglomerations in France, namely Orléans, Montpellier and La Baule. We provide the raw data characterizing each individual tree, graphs showing the prevalence and mean number of tents for the tree species included in the survey, and maps allowing to locate each tree.