Dolichodorus grandaspicatus

  

Contents

  

Rev 11/19/2019

Awl Nematode Classification Hosts
Morphology and Anatomy Life Cycle
Return to Dolichodorus Menu Economic Importance Damage
Distribution Management
Return to Dolichodoridae Menu Feeding  References
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 Classification:  

Rhabditida
       Tylenchina
        Tylenchoidea
         Dolichodoridae
            Dolichodorinae


         Dolichodorus grandaspicatus Robbins, 1982.

 

Synonyms:
      None.

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Morphology and Anatomy:

 

Female:

Lip region offset, typical for genus.

Median bulb well-developed.  

Excretory pore near mid-level of isthmus.

Basal esophageal bulb elongate-pyriform. Not overlapping intestine. 

Vulva a transverse slit with a pair of opposing sclerotized pieces in lateral view.  

Ovaries paired, outstretched, spermathecae present. 

Tail  tapering sharply and becoming elongate.    

Male: Similar to female.

Spicules and gubernaculum slightly arcuate. Gubernaculum reflexed at tip.

Males have unique caudal alae, well-developed. Tail tip bifurcate.

photographs from Robbins, 1982

 




Source: Robbins. 1982

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

  
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Distribution:

Recorded from soil around roots of red maple, Acer rubrum L., in a creek bottom near Ludrwig, Johnson County, Arkansas.

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Economic Importance:

 

 

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Feeding:

Ectoparasite mainly at root tip; nematode has long stylet.

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Hosts:

For an extensive host range list for this species, click

 


 
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Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters
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Damage:

 

 

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Management:

Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

For plants reported to have some level of resistance to this species, click

 

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References:

Robbins, R.T. 1982. Description of Dolichodorus grandaspicatus n.sp. (Nematoda: Dolichodoridae). Journal of Nematology 14:507-511.

 

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Copyright © 1999 by Howard Ferris.
Revised: November 19, 2019.