Cactodera rosae

 

Contents

 

Rev 11/19/2019

  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:

    Tylenchida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Punctoderinae


           Cactodera rosae Cid del Prado & Miranda, 2008.

 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 punctations.



Male: Body twisted.  

 


  photographs: I. Cid del Prado
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Distribution:

Mexico.

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Economic Importance:

 

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Feeding:

Nurse cell system: A syncytium.

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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.

 

 

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