Composition of the dataset. A. Issues associated to volunteer reports; B. Nature of support for specimen identification; C. Proportion of citizen and naturalist contributions; D. Proportion of medias contribution: French network Agiir and direct reports; E. Distribution of sightings in the various environments considered in the dataset.

  
  Part of: Chartois M, Streito J-C, Pierre É, Armand J-M, Gaudin J, Rossi J-P (2021) A crowdsourcing approach to track the expansion of the brown marmorated stinkbug Halyomorpha halys (Stål, 1855) in France. Biodiversity Data Journal 9: e66335. https://doi.org/10.3897/BDJ.9.e66335