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Pluteus insidiosus Complex, Four New Species Described and Pluteus reisneri Resurrected.

ABSTRACT: We studied the taxonomy of Pluteus insidiosus and similar species using morphological and molecular (nrITS, TEF1-α) data, including a detailed study of the type collection of P. insidiosus. Based on our results, we recognize five species in this group: P. insidiosus sensu stricto and four other taxa: P. assimilatus; P. farensis; P. flavostipitatus; and P. pseudoinsidiosus; described here as new. All these taxa are distinct from each other based on molecular data, but some of them are semi-cryptic based on morphology and co-occur in the Palaearctic region. An additional molecular lineage, phylogenetically separates from the P. insidiosus complex, but with many morphological similarities, was recognized in the molecular phylogenies. Based on the revision of available type collections, the name Pluteus reisneri Velen., was adopted for this Clade. Pluteus reisneri was validly published in 1921, but it has barely been used since its original description. A modern epitype, with molecular data, was selected for P. reisneri.

SUBMITTER: Sevcikova H

PROVIDER: S-EPMC9225660 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Pluteus insidiosus Complex, Four New Species Described and Pluteus reisneri Resurrected.

Ševčíková Hana H Ferisin Giuliano G Malysheva Ekaterina E Justo Alfredo A Heilmann-Clausen Jacob J Horak Egon E Kalinina Lyudmila L Kaygusuz Oğuzhan O Knudsen Henning H Menolli Nelson N Moreau Pierre-Arthur PA González Guillermo Muñoz GM Saar Irja I Türkekul İbrahim İ Dovana Francesco F

Journal of fungi (Basel, Switzerland) 20220610 6

We studied the taxonomy of Pluteus insidiosus and similar species using morphological and molecular (nrITS, TEF1-α) data, including a detailed study of the type collection of P. insidiosus. Based on our results, we recognize five species in this group: P. insidiosus sensu stricto and four other taxa: P. assimilatus; P. farensis; P. flavostipitatus; and P. pseudoinsidiosus; described here as new. All these taxa are distinct from each other b ...[more]

PMID: 35736106

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Project description:BackgroundFreshwater shrimp of the family Atyidae De Haan, 1849 have been studied in Vietnam for more than a century. A total of 24 species of atyid shrimps from the genera Caridina H. Milne Edwards, 1837, Neocaridina Kubo, 1938, Atyopsis Chace, 1983 have been recorded from Vietnam. With 22 species, the majority are from the genus Caridina. In 2013, Karge and Klotz mentioned the occurrence of four yet undescribed species belonging to Paracaridina Liang, Guo & Tang, 1999 in Vietnam without taxonomic details.In general, studies of freshwater atyids in Vietnam are limited and most Vietnamese taxa await a taxonomic revision. The available data do not fully reflect their estimated species diversity in the country and distribution data are deficient. Here, we focus on four species of atyid shrimps from two genera, viz. Caridinacantonensis Yu, 1938, C.lanceifrons Yu, 1936, C.serrata Stimpson, 1860 and Neocaridinapalmata (Shen, 1948), all described from China and have been reported to occur in Vietnam. The previous reports on the occurrence of these species in Vietnam are largely unreliable due to taxonomic confusion. To contribute to the knowledge of these taxa, we provide the first verified distribution records of the four species in the country with some taxonomic remarks.New informationThis study shows the first taxonomically-verified distribution data of four atyid shrimp species originally described from China, but also reported from Vietnam, albeit under various species names and, in some cases, erroneously. These data allow the first meaningful discussion of the distribution in light of the reproductive strategy of these four species and, in conjunction with the taxonomic remarks, will contribute to the knowledge of these taxa. As a result of this research and data from previous studies, we now consider all four species as widespread and non-endemic, but land-locked (with a complete freshwater life cycle). In Vietnam, all four species are confined to the northern half of the country. Beyond Vietnam, we provide the first records for Caridinalanceifrons from southern Thailand, which suggests a major sampling gap in Indochina.

Dataset Information

Pluteus insidiosus Complex, Four New Species Described and Pluteus reisneri Resurrected.

Publications

<i>Pluteus insidiosus</i> Complex, Four New Species Described and <i>Pluteus reisneri</i> Resurrected.

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