Family DOLICHODORINAE

                                  								Rev 08/03/2020

Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea  
         Dolichodoridae  
          Dolichodorinae
 

Morphology and Anatomy:

Large, slender nematodes with cylindroid bodies. 

No secondary sexual dimorphism

Cuticle distinctly annulated, lateral field with three or four incisures. 

Labial region distinctly off-set and annulated (rarely smooth).

Labial sclerotization strong, with very thick basal plate and thick arches. 

Amphid apertures small slits laterally or dorso-ventrally directed.

No deirids

Female tail rounded to hemispherical with spike-like extension, rarely elongate-conoid

Females with two genital branches, columned uterus with four rows of cells; vagina very heavily sclerotized. 

Male caudal alae wing-like and tri-lobed. 

Amphimictic reproduction. 

Stylet well developed up to 150 Ám.; cone markedly longer than shaft. 

Esophagus with distinct metacorpus, short isthmus and pyriform glandular region not overlapping the intestine. 

Obligate migratory ectoparasites of plant roots.

[Ref: Luc & Fortuner, Rev. Nematol. 10(2):177-181 (1987), Geraert (2011 )and H. Ferris.]

 

References

Geraert, E. 2011. The Dolichodoridae of the World. Academia Press, Gent. 520p.

Luc & Fortuner 1987, Rev. Nematol. 10:177-181

 

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