Xiphinema robbinsi sp. n. (Nematoda, Dorylaimida), an amphimictic species from Iran
Majid Pedram, Gholamreza Niknam, Wilfrida Decraemer
Abstract
Majid Pedram, Gholamreza Niknam, Wilfrida Decraemer
Abstract
A new species of Xiphinema from north western Iran is described herein. Xiphinema robbinsi sp. n. is characterized by its body length (3-3.8 mm), anterior end broadly rounded with a marked depression and high labial region, medium-sized odontostyle length (107.5-127 mu m), females with two equally developed genital branches with well developed ovijector and spines ill tubular part of uterus, a short convex-conoid tail, abundant males in population and four juvenile stages. The new species most closely resembles X aceri Chizhov, Tiev & Turkina, 1986, X. aequum Roca & Lamberti, 1988, Xipinema riparia Chizhov, Subbotin, Romanenko & Kruchina, 1991 and X macedonicum Barsi & Lamberti, 1999 and belongs to species group 6 of the polytomous key of Loof & Luc (1990).
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A new species of Xiphinema from north western Iran is described herein. Xiphinema robbinsi sp. n. is characterized by its body length (3-3.8 mm), anterior end broadly rounded with a marked depression and high labial region, medium-sized odontostyle length (107.5-127 mu m), females with two equally developed genital branches with well developed ovijector and spines ill tubular part of uterus, a short convex-conoid tail, abundant males in population and four juvenile stages. The new species most closely resembles X aceri Chizhov, Tiev & Turkina, 1986, X. aequum Roca & Lamberti, 1988, Xipinema riparia Chizhov, Subbotin, Romanenko & Kruchina, 1991 and X macedonicum Barsi & Lamberti, 1999 and belongs to species group 6 of the polytomous key of Loof & Luc (1990).
Key concepts: Xiphinema, Conoid, Dorylaimida, Biology, Taxonomy (biology), Population, Morphometrics, Anatomy