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:

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Life Cycle:

Ecophysiological Parameters:

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Damage:

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

Devastating to seedling root systems.

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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:

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References:

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