Subfamily XIPHINEMATINAE

                                 Rev 08/03/20

Classification:

    Enoplea
       Dorylaimida
        Dorylaimina
         Dorylaimoidea
          Longidoridae
           Xiphinematinae

Morphology and Anatomy:

• Chromosome number (n)=5 or 10. 
• Length of adult not exceeding 6 mm. Coefficient "a" (ratio of body length to width) generally lower than 80. 
• Stirrup-shaped amphids. 
• Strong odontostyle, forked at the junction with odontophore; base of odontophore with well-developed flanges. 
• Guiding ring of the odontostyle posteriorly located near base of odontostyle.
• Glandular and muscular posterior region of esophagus.
• Uterus often showing strong and peculiar differentiations. 
• Shape and length of the tail extremely variable (coefficient "c" [ratio of tail length to anal body diameter] varying from 0.6 to 15.0).
• Males with, at most, 7 supplements.

References:

Lamberti, Taylor and Seinhorst, Nematode Vectors of Plant Viruses, New York: Plenum Press (1974), p. 40.

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