Cryphodera utahensis   

  

Contents

  

Rev 11/19/2019

  Classification Hosts
Morphology and Anatomy Life Cycle

Return to Cryphodera Menu

 Economic Importance Damage
Distribution Management

Return to Heteroderidae Menu

 Feeding  References
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology

 

Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Meloidoderinae


           Cryphodera utahensis Baldwin, Mundo-Ocampo & Othman, 1983

    Synonyms:
   

Back to Top

Morphology and Anatomy:

.

 Female: No cyst stage.  

Body globose, with projecting neck; no terminal cone.  

Cuticle thick, annulated on whole body, except the vulval-anal area.

Vulva terminal; vulval lips nearly flush with body contour to slightly protruded.  

Anus at some distance from vulva. 

Eggs retained in body.  
Male: Body twisted.  

Stylet greater than 30 µm long.

Lateral field with three or four lines.  

Spicules less than 30 µm long, slightly curved, directed obliquely, with distal extremity pointed.  

No cloacal tubus.  

Tail hemispherical. 

Second-stage juveniles: Stylet length 25 to 40 µm.

Lateral field with three (more rarely, four) lines.  

Esophageal glands filling body cavity.  

Tail conical, with hyaline terminal part half of total length.  

Phasmids with lens-like structure.

[Ref: Luc, Maggenti & Fortuner (1988).]

 

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

Distribution:

 

Back to Top

Economic Importance:

 

Back to Top

Feeding:

  Induces a single, uninucleate giant cell feeding site in the stele of host roots (Mundo-Ocampo and Baldwin, 1984)

Back to Top

Hosts:

Wild rose

For an extensive host range list for this species, click
 
Back to Top

Life Cycle:

 

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters
Back to To

Damage:

 

Back to Top

Management:

 

Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

For plants reported to have some level of resistance to this species, click

Back to Top

References:

Baldwin, J. G., M. Mundo-Ocampo, and A.A. Othman. 1983. Cryphodera utahensis n. sp., (Heteroderidae), a new species from wild rose in Utah. J. Nematol. 15(3):182-191.

Mundo-Ocampo M. and Baldwin, J.G. 1984. Comparison of the host response of Cryphodera utahensis with other heteroderids and a discussion on phylogeny. Proc. Helminthol. Soc. Wash. 51:25-31.

Luc, Maggenti & Fortuner, Rev. Nematol. 11(2):159-176 (1988).

 

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