Rhyacophila evoluta MacLachlan 1879

Rhyacophila evoluta / occidentalis = Rhyacophila evoluta McLachlan, 1879 in Lavandier 1979. TAXO. The morphological differences of the larvae between both species Rhyacophila evoluta and Rhyacophila occidentalis McLachlan, 1879 is mostly based on coloration criteria (Décamps 1965, 1966). We consider these current coloration criteria insufficient for reliable identification, given the potential intraspecific variability. Except for genetically identified larvae (at sites B, C, D, and a 1), even though our larvae would be morphologically identified as R. evoluta following the coloration criteria, we preferred to remain cautious and indicate Rhyacophila evoluta / occidentalis, especially as we collected adults from both species in 2022. DIFF. Following this decision, we preferred to change R. evoluta in Lavandier’s data to R. evoluta / occidentalis, where no adult capture was clearly reported.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-03
DOI
https://doi.org/10.5281/zenodo.23927110
Primary Topic
Freshwater macroinvertebrate diversity and ecology
Type
article
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article

Rhyacophila evoluta MacLachlan 1879

B. Launay, Sophie Cauvy‐Fraunié, Maxence Forcellini, Julien Barnasson et al.
Zenodo (CERN European Organization for Nuclear Research)
Freshwater macroinvertebrate diversity and ecology
article

Rhyacophila evoluta MacLachlan 1879

B. Launay, Sophie Cauvy‐Fraunié, Maxence Forcellini, Julien Barnasson, Olivier J. Dangles, Pierre Moret
article en

Abstract

Rhyacophila evoluta / occidentalis = Rhyacophila evoluta McLachlan, 1879 in Lavandier 1979. TAXO. The morphological differences of the larvae between both species Rhyacophila evoluta and Rhyacophila occidentalis McLachlan, 1879 is mostly based on coloration criteria (Décamps 1965, 1966). We consider these current coloration criteria insufficient for reliable identification, given the potential intraspecific variability. Except for genetically identified larvae (at sites B, C, D, and a 1), even though our larvae would be morphologically identified as R. evoluta following the coloration criteria, we preferred to remain cautious and indicate Rhyacophila evoluta / occidentalis, especially as we collected adults from both species in 2022. DIFF. Following this decision, we preferred to change R. evoluta in Lavandier’s data to R. evoluta / occidentalis, where no adult capture was clearly reported.

Zenodo (CERN European Organization for Nuclear Research)
Centre National de la Recherche Scientifique (FR), École Pratique des Hautes Études (FR), Pontificia Universidad Católica del Ecuador (EC), Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR), Travaux et Recherches Archéologiques sur les Cultures, les Espaces et les Sociétés (FR), Institut de Recherche pour le Développement (FR), Université de Toulouse (FR)
Openalex Percentile: Top 19%
Freshwater macroinvertebrate diversity and ecology
DOIOpen Access PDFOpenAlex
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Rhyacophila evoluta MacLachlan 1879 — B. Launay, Sophie Cauvy‐Fraunié, et al. · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS