Afrina wevelli

 

Contents

  

Rev 11/19/2019

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Afrina Menu Economic Importance Damage
Distribution Management
Return to Anguinidae Menu Feeding  References
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Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea
        Anguinidae

          Afrina wevelli Van den Berg, 1985
  
  Synonyms:
     
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Morphology and Anatomy:

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Afrina wevelli  has 10 or more lines in the lateral field
 

 

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

 
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Distribution:

South Africa and ????

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Economic Importance:

Afrina wevelli induces galls on the seeds of the forage grass Eragrostis curvula (Schrad.) Nees in South Africa and is a problem for the grass seed export industry.

 

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Feeding:

 

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Hosts:

Eragrostis curvula cv Ermelo - weeping love grass

For an extensive host range list for this species, click


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Life Cycle:

Seed galls contain eggs, second-stage juveniles and adults. Galls soften when placed in water, emerged juveniles remained alive in water for 35 days (van den Berg, 1985).

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:

Induces dark brown to black, shrivelled  seed galls.

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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:

Barrantes-Infante, B.L.,Schroeder, B.K., Subbotin, S.A. and Murray, T.D. 2018. Afrina sporoboliae sp. n. (Nematoda: Anguinidae) Associated with Sporobolus cryptandrus from Idaho, United States: Phylogenetic Relationships and Population Structure. Phytopathology 108:768-779.

Brzeski, M. W. 1981. The genera of Anguinidae (Nematoda, Tylenchida). Rev. Nematol. 4:23-34.

Van den Berg, E. 1985.  Notes on the genus Afrina (Brzeski, 1981) Anguinidae: Nematoda) with description of new and known species. Phytophylactica 17:69-79.

 

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