Criconemoides morgensis

 

Contents

 

Rev 12/18/2023

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

     

Tylenchida
      Tylenchina
        Criconematoidea
         Criconematidae
          Criconematinae

Criconemoides morgensis  (Hofmanner in Hofmanner & Menzel, 1914) Taylor, 1936

 

Type species of the genus,

 

Synonyms:

Criconema morgense Hoffmaner in Hoffmaner & Menzel, 1914

Hoplolaimus morgensis (Hoffmaner in Hoffmaner & Menzel, 1914) Menzel, 1917

Criconemoides pseudohercyniensis De Grisse & Koen, 1964

Macroposthonia pseudohercyniensis (De Grisse & Koen, 1964) De Grisse & Loof, 1965

Neocriconema pseudohercyniensis (De Grisse & Koen, 1964) Diab & Jenkins, 1965

Mesocriconema pseudohercyniensis (De Grisse & Koen, 1964) Andrassy, 1965

Macroposthonia taylori De Grisse & Koen, 1965

Criconemoides taylori De Grisse & Koen, 1965 Siddiqi, 1986

Source: Andrassy, 2007

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Morphology and Anatomy:

Male:

  • Very finely striated
  • Spicules long, curved, 37-40 um
  • Brursa low, extending almost to tail terminus
  • Tail elongate-conoid



    Ref: Andrassy, 2007

Fenale:

  • Body length 0.52-0.65 mm
  • 102-115 body annules with fine serrations at edges
  • Small sublateral lobes present on head
  • Stylet robust, length 80-90 um, around 25 annule widths long.
  • Excretory pore on 28-33 annules from head.
  • Vulva closed, 9-12 annules from tail teminus
  • Anus indistinct, 5-7 annules from tail terminus
  • Tail conoid-rounded
 

 

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

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Distribution:

Moist environments throughout Europe.

 

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Economic Importance:

D-rated pests in California.

 

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Feeding:

  Ectoparasite

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Hosts:

Citrus grandis type host. 

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:

Andrassy, I. 2007. Free-living Nematodes of Hungary II. Hungarian Natural History Museum, Budapest.  496 p.

Yeates, G.W., Bongers, T., Goede, R.G.M. de, Freckman, D.W., Georgieva, S.S. (1993a), Feeding habits in soil nematode families and genera - an outline for soil ecologists, Journal of Nematology, 25 (3): 315-331.

Pinkerton, J. N.; Forge, T. A.; Ivors, K. L.; Ingham, R. E..  1999. Plant-parasitic nematodes associated with grapevines, Vitis vinifera, in Oregon vineyards. Journal of Nematology, 31:624-634.

Brzeski, M., Y.E. Choi and P.A.A. Loof. 2002a.  Compendium of the genus Criconemoides Taylor, 1936 (Nematoda: Criconematidae).  Nematology 4:325-339.

Brzeski, M., P.A.A. Loof and Y.E. Choi . 2002b.  Compendium of the genus Mesocriconema Andrassy, 1965 (Nematoda: Criconematidae).  Nematology 4:341-360.

Cordero, M. A. Robert T. Robbins, Allen L. Szalanski. 2012. Taxonomic and Molecular Identification of Mesocriconema and Criconemoides Species (Nematoda: Criconematidae). J. Nematology 44: 399-426.

Geraert, E. 2010. The Criconematidae of the World: Identification of the Family Criconematidae. Academia Press, Gent. 615p.

Loof, P.A.A and A. De Grisse. 1989. Taxonomic and nomenclatorial observations on the genus Criconemella De Grisse and Loof, 1965 sensu Luc and Raski, 1981. Med. Fac. Landn. Rijksuniv. Gent. 54:53-74.

Raski, D.J. and Luc, M. 1987. A reappraisal of Tylenchina (Nematoda) 10. The superfamily Criconematoidea Taylor, 1936. Revue de Nematologie 10:409-444.

 

 

 

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Copyright © 1999 by Howard Ferris.
Revised: December 18, 2023.