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Morphological and cytogenetic description of a new species of Parasitylenchus Micoletzky, 1922 (Tylenchida, Allantonematidae) parasitizing Harmonia axyridis (Pallas, 1773) (Coleopera, Coccinellidae) in Argentina / Descripción morfológica y citogenética de una nueva especie de Parasitylenchus Micoletzky, 1922 (Tylenchida, Allantonematidae) parasitando Harmonia axyridis (Pallas, 1773) (Coleopera, Coccinellidae) en Argentina
Camino, Nora B; Rodríguez Gil, Sergio; Reboredo, Guillermo R; González, Sandra E.
  • Camino, Nora B; CIC.
  • Rodríguez Gil, Sergio; CONICET.
  • Reboredo, Guillermo R; CONICET.
  • González, Sandra E; CIC.
Rev. peru. biol. (Impr.) ; 26(1): 27-32, ene.-mar. 2019. ilus
Article in English | LILACS-Express | LILACS | ID: biblio-1094349
RESUMEN
Se cita y describe por primera vez para Argentina Parasitylenchus pseusobifurcatus sp.n. (Tylenchida, Allantonematidae), parásito de adultos de Harmonia axyridis (Pallas, 1773) (Coleopera, Coccinellidae). Esta nueva especie está muy cercana a P. bifurcatus Poinar Jr. y Steenberg, 2012, por la característica de tener todas las hembras vermiformes y los machos inmaduros la punta del apéndice caudal bifurcada, pero se diferencian entre otros por el tamaño del gubernáculo. Se describe su fórmula cariotípica.
ABSTRACT
Parasitylenchus pseusobifurcatus sp.n. (Tylenchida, Allantonematidae) is described for the first time for Argentina as a parasite of adults of Harmonia axyridis (Pallas, 1773) (Coleopera, Coccinellidae). The new species is closed to P. bifurcatus Poinar Jr. & Steenberg, 2012, by the characteristic of having the tail tip of all vermiform females and immature males bifurcated, but they differ by the size of the gubernaculum. Its karyotype formula is described.


Full text: Available Index: LILACS (Americas) Country/Region as subject: South America / Argentina Language: English Journal: Rev. peru. biol. (Impr.) Journal subject: Biology Year: 2019 Type: Article Affiliation country: Argentina

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Full text: Available Index: LILACS (Americas) Country/Region as subject: South America / Argentina Language: English Journal: Rev. peru. biol. (Impr.) Journal subject: Biology Year: 2019 Type: Article Affiliation country: Argentina