Dufour 1991. The identity of Tipula (Emodotipula) saginata Bergroth and T. (E.) obscuriventris Strobl, and the description of Tipula (E.) leo sp. n. from the Sierra Nevada in Spain (Diptera, Tipulidae). Mitteilungen der Schweizerischen Entomologischen Gesellschaft, 64(1-2) 1991: 81-91