Berchi et al., 2017 (West-Palaearctic species, systematics, biogeography, phylogenetic analysis, subgenera Plesiovelia and Velia); Tamanini, 1947 (revision, partly outdated), 1955a (key).
Berchi et al., 2017 (West-Palaearctic species, systematics, biogeography, phylogenetic analysis, subgenera Plesiovelia and Velia); Tamanini, 1947 (revision, partly outdated), 1955a (key).
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