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Steinernema Ritteri*) N. Sp. (Nematoda: Steinernematidae) With a Key To the Species of the Genus

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Life stages of a new species of Steinernematidae from Córdoba province, Argentina, are described and illustrated. Steinernema ritteri n. sp. is characterized by the presence of a conspicuous double vulval epiptygma in the females. This feature separates it from all the other species of the genus, except from S. bibionis Bovien, 1937 and S. scapterisci Nguyen & Smart, 1990. It differs from S. bibionis by the greater dimensions of the infective larva and from S. scapterisci by having different measurements in all the stages under consideration. A taxonomic key is given for all ten valid species based on the infective larvae.

Affiliations: 1: Carrera del Investigador, Consejo Nacional de Investigaciones Científicas y Técnicas, Argen-tina. Laboratorio de Nematología, Centro de Zoologia Aplicada, Universidad Nacional de cór-doba, Casilla de correo 122, 5000 Córdoba, Argentina; 2: Carrera del Investigador, Consejo Nacional de Investigaciones Científicas y Técnicas, Argen-tina. Laboratorio de Nematología, Centro de Zoologia Aplicada, Universidad Nacional de cór-doba, Casilla de correo 122, 5000 Córdoba, Argentina

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/content/journals/10.1163/002925990x00257
1990-01-01
2016-12-02

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