Cactodera rosae

  

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Rev 07/14/2026

  Classification Hosts
Morphology and Anatomy Life Cycle

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 Economic Importance Damage
Distribution Management

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 Feeding  References

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Classification:

     Chromadorea
       Rhabditida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Punctoderinae


           Cactodera rosae Cid del Prado & Miranda, 2008.

The species name is in honor of Rosa, the mother of Dr. Ignacio Cid del Prado.

 Synonyms:
     None

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Morphology and Anatomy:

J2:.

  • The second stage juvenile has:

  •  4-5 lip annulations

  •  a strong stylet 16-26 µm long with rounded stylet knobs

  •  lateral fields with four incisures and incomplete areolation.

Female:

  •  Cyst stage present; circumfenestrate; eggs without punctation or tubercles.  
  • Cysts are lemon-shaped, dark brown to black color, 460-840 µm length, with a length/width ratio of 1.2-2.1, strongly striated pattern on the cuticle.
  • Prominent vulval cone with circumfenestrate vulva, and an anus located 25-60 µm from the fenestra in a depression in the cuticle.
  • Egg surfaces bear conspicuous fine punctations.


Male: 

  • Male not found  

 
  photographs: I. Cid del Prado
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Distribution:

Mexico. collected from barley roots in Mexican high valleys.

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Economic Importance:

 

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Feeding:

 

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Hosts:

Barley - Hordeum vulgare cv Esmeralda

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:

Resistance

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:

Cid del Prado, V. I. and B. L. Miranda. 2008. A second cyst- forming nematode parasite of barley (Hordeum vulgare L. var. Emeralda) from Mexico. Nematropica 38:105-114.

Subbotin, S.A., Mundo-Ocampo, M., Baldwin, J.G. 2010. Systematics of Cyst Nematodes (Nematode: Heteroderinae). Nematology Monographs and Perspectives Volume 8A , D.J. Hunt and R.N. Perry (eds) Brill, Leiden, The Netherlands 351p

 

 

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Copyright © 1999 by Howard Ferris.
Revised: July 14, 2026.