Haarto, A. and Ståhls, G. 2026. The Finnish species of Pipizella Rondani, 1856 (Diptera, Syrphidae), with descriptions of the female sex of Pipizella certa Violovitsh, 1981 and Pipizella obscura van Steenis & Lucas, 2011. European Journal of Taxonomy. 1066, 1 (Jun. 2026). DOI:https://doi.org/10.5852/ejt.2026.1066.3290.