Dolichodorus cobbi

 

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
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology

 


 Classification:  

Rhabditida
       Tylenchina
        Tylenchoidea
         Dolichodoridae
            Dolichodorinae


         Dolichodorus cobbi Golden, Handoo & Wehunt, 1986.

 

Synonyms:
      None.

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Morphology and Anatomy:

 

Female:

Median bulb well-developed.  

Excretory pore near base of median bulb.

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 bluntly rounded and tapering sharply to a point.    

Male: Similar to female.

Spicules and gubernaculum slightly arcuate.

Males have unique caudal alae, well-developed. Tail tip not bifurcate.

 

 


 






Source: Golden et al., 1986

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

 
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Distribution:

Recorded from around roots of woody plants in Scott 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:

Golden, A.M., ZA Handoo, EJ Wehunt . 1986. Description of Dolichodorus cobbi n. sp.(Nematoda: Dolichodoridae) with morphometrics and lectotype designation of D. heterocephalus Cobb, 1914.  Journal of Nematology 18: 556-562.

 

 

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