Belonolaimus   

  

Contents

  

Rev 10/16/2008

Sting nematode Classification Hosts
Morphology and Anatomy Life Cycle

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 Economic Importance Damage
Distribution Management
Return to Belonolaimidae Menu Feeding  References
         

  Classification:

    Tylenchida
      Tylenchina
       Tylenchoidea
        Belonolaimidae
         Belonolaiminae              
          Belonolaimus (Steiner, 1949)

    Synonyms:
      Ibipora (Monteiro and Lordello, 1977)

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Morphology and Anatomy:

.

 Long, slender nematode, usually 2 to 3 mm in length.

SEM face view shows a well-marked, rounded labial disc; first lip annule divided into six sectors; lateral sectors almost completely regressed, seen only as small interruptions of the first one or two labial annules.  

Labial region marked by deep longitudinal grooves.  

Stylet very long, 60 to 150 µm long, with distinct basal knobs; cone 70 to 80% of total stylet length.  

Cuticle coarsely annulated.  

Procorpus of esophagus is thick and the metacorpus has a strongly developed valve.  

Esophageal glands overlapping beginning of intestine.  

Female:  Tail cylindroid with a broadly rounded terminus; two outstretched ovaries (diovarial, amphidelphic).  

Lateral field with four lines or less.                   

 [Ref: Fortuner & Luc,  (1987), and H. Ferris.]
Male: 
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Distribution:

Approximately 9 species in the genus.  Representatives have been reported from Australia, Bahamas, Bermuda, Brazil, Costa Rica, Mexico and Puerto Rico.

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Economic Importance:

A-rated in California.

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Feeding:

 

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Hosts:

 
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Life Cycle:

 

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Damage:

 

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Management:

 

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References:

[Fortuner & Luc, Rev. Nematol. 10(2):183-202 (1987), and H. Ferris.]

 

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Copyright © 1999 by Howard Ferris.
Revised: October 16, 2008.