Subfamily NACOBBODERINAE

                                Rev 4/91

Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea
         Heteroderidae
         

Nacobboderinae Golden & Jensen, 1974
  

 Synonyms:
      Meloinematinae (Meloineminae) Husain, 1976

Morphology and Anatomy:

•  Cuticle not abnormally thick, annulated in all stages of males and females. 
• Cephalic framework strongly sclerotized. 
• Stylet robust.

Female:

•   Pre-adult female vermiform, free in the soil, with two opposed immature genital branches and a short tail. 
• Mature female sedentary, spheroid/pear-shaped, with very long neck and swollen body exposed on root surface
•  Labial area soffset, with irregular annulation (plates) and a reduced non-offset labial disc. 
• Vulva subterminal, well removed from anus; no fingerprint-like print pattern around vulva. 
• Phasmids conspicuous. 
• Remnants of tail present. 
• No cyst stage.  Eggs not retained in female body, but deposited in a gelatinous matrix. 

Male:

•  Labial area high, annulated and offset.
•  Lateral field with four or five lines. 
• Tail conoid-rounded, without caudal alae (exception: Bursadera). 
• Males develop within second-stage cuticle. 

Juveniles:

• Cephalic sclerotization and stylet robust.
•  Lateral field with four lines. 

Biology:

Females are sedentary semi-endoparasites, exposed on the root surface and causing galls on roots.

[Ref: Luc, Maggenti & Fortuner, Rev. Nematol. 11(2):159-176 (1988).]

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