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      FIRST RECORD OF GRYLLOPHILA SKRJABINI SERGIEV, 1923 AND CEPHALOBELLUS MAGALHAESI SCHWENK, 1926 (NEMATODA: THELASTOMATIDAE) PARASITES OF NEOCURTILLA CLARAZIANA SAUSSURE, 1874 (ORTHOPTERA: GRYLLOTALPIDAE) IN ARGENTINA

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          Abstract

          ABSTRACT Thelastomatidae is one of the largest families parasitizing insects, within the order Oxyurida. In this work we reported parasitism in nymphs and adults of Neocurtilla claraziana by two different thelastomatid species as a part of a field survey on agricultural pests. Nymphs and adults of this insect were isolated from grasslands of Buenos Aires State, Argentina using a tensio-active solution. The nematode species Gryllophila skrjabini Sergiev, 1923 and Cephalobellus magalhaesi Schwenk, 1926 are briefly described and measurements are given. Both nematodes are reported for the first time in Argentina with C. magalhaesi being the second isolation of this species in the world. Neocurtilla clarziana is a new host record for G. skrjabini.

          Translated abstract

          RESUMEN Thelastomatidae es una de las principales familias que parasitan insectos, dentro del orden Oxyurida. En este trabajo informamos parasitismo en ninfas y adultos de Neocurtilla claraziana, por dos especies de thelastomatidos, como parte de un estudio de campo sobre plagas agrícolas. Las ninfas y los adultos de este insecto fueron aisladas de pastizales de la Provincia de Buenos Aires, Argentina, utilizando soluciones tensio-activas. Las especies de nematodos Gryllophila skrjabini Sergiev, 1923 y Cephalobellus magalhaesi Schwenk, 1926 son descriptas brevemente y sus medidas son dadas. Ambos nematodos son citados por primera vez para Argentina, constituyendo Cephalobellus magalhaesi el segundo aislamiento de esta especie en el mundo. Neocurtilla clarziana constituyó un nuevo registro de hospedador para G. skrjabini.

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          Most cited references 21

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          Entomogenous nematodes: a manual and host list of insect-nematode associations

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            The systematics and evolution of pinworms (Nematoda: Oxyurida: Thelastomatoidea) from invertebrates.

            The nematode order Oxyurida is unique in including species for which definitive host ranges are broad and may include vertebrate or invertebrate hosts. The superfamily Thelastomatoidea is a highly diverse assemblage of oxyurids occurring in cockroaches, diplopods, hydrophilid beetles, passalid beetles, several other coleopteran larvae, mole crickets, and, with few representative species documented, other arthropod hosts. Published research and revision of the Thelastomatoidea, particularly in the 1980s and 1990s, provided several interesting hypotheses on the systematics and evolution of this group. In this review, these hypotheses are examined in the context of recent advances in taxonomy, discovery of additional species diversity and distribution, and preliminary phylogenetic hypotheses that have been proposed. There continues to remain a paucity of phylogenetic data that explore the phylogenetic relationships of the Thelastomatoidea and their relationships to vertebrate-parasitizing pinworms. A combination of mitochondrial and nuclear DNA sequences for representative species across all of the major lineages will be important for more robust phylogenetic hypotheses. Much broader geographical and host taxon sampling is necessary to determine true diversity of the Thelastomatoidea. Modern approaches to species descriptions, such as improvements in light and scanning electron microscopy and the use of molecular approaches to matching male and female nematodes, can also be applied to improve our understanding of the evolution of these fascinating parasites.
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              Revision of the Thelastomatidae, Oxyurida of invertebrate hosts I. Thelastomatidae

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                paz
                Papéis Avulsos de Zoologia
                Pap. Avulsos Zool.
                Museu de Zoologia da Universidade de São Paulo (São Paulo, SP, Brazil )
                0031-1049
                1807-0205
                2017
                : 57
                : 37
                : 473-480
                Affiliations
                La Plata Buenos Aires orgnameUniversidad Nacional de La Plata orgdiv1Centro de Estudios Parasitológicos y de Vectores Argentina
                La Plata Buenos Aires orgnameComisión de Investigación Científicas de la Provincia de Buenos Aires Argentina
                Buenos Aires orgnameConsejo Nacional de Investigaciones Científicas y Técnicas Argentina
                Article
                S0031-10492017003700473
                10.11606/0031-1049.2017.57.37

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 21, Pages: 8
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