Source: https://www.researchgate.net/profile/Jean-Luc_Gattolliat/publication/333641324_6_Les_ephemeres_plecopteres_et_trichopteres_du_Jorat/links/5cf8b46b299bf1fb185bc08a/6-Les-ephemeres-plecopteres-et-trichopteres-du-Jorat.pdf