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Isoperla viridinervis complex (Pictet, 1865) = Isoperla viridinervis (Pictet, 1865) in Lavandier (1979). TAXO / DIFF. I. viridinervis is also a species complex (Ruffoni 2024) endemic to the Pyrenees and Cantabrian mountains (Vinçon and Pardo 2004), which require future investigation (Alexandre Ruffoni, pers. comm.). Pending descriptions of new species in this group, we assume that the name of this species in Lavandier’s data should be changed to Isoperla viridinervis complex.
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Launay et al. (2026) studied this question.
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