Longidorus africanus

 

Contents

 

Rev 11/19/2019

 Needle Nematode Classification Hosts
Morphology and Anatomy Life Cycle
Return to Longidorus Menu Economic Importance Damage
Distribution Management
Return to Longidoridae Menu Feeding  References
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology

 


Classification:

Dorylaimida
       Dorylaimina
        Dorylaimoidea
         Longidoridae
          Longidorinae

           Longidorus africanus Merny, 1966

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Morphology and Anatomy:

 

Nematode is approximately 2.0 to 3.0 mm long.

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

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Distribution:

Occurs in desert regions of southern California, i.e., the Palo Verde, Coachella, and Imperial valleys where the nematode poses special problems on fall vegetables, especially carrots, etc.

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Economic Importance:

 C-rated pest in California Nematode Pest Rating System.

Important pests of vegetables in southern California.

 

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Feeding:

At root tips.

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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:

Root crops; e.g., carrots, especially damaged.  

Devastating to seedling root systems.

Longidorus africanus damage to lettuce seedling.  Imperial Valley, California.

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Management:

Nematicides have been successful.  

Timing of planting of fall crops to avoid temperature conditions favorable to the nematode; plant when soil temperatures are below about 16 C.

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:

 

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