Pateracephalonema

 

Contents

 

Rev 12/16/2024

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Pateracephalonema Menu Economic Importance Damage
Distribution Management
Return to Criconematidae Menu Feeding  References
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology

Classification:

      Chromadorea
       Rhabditida
Tylenchina
        Criconematoidea
         Criconematidae
          Criconematinae 
           Pateracephalanema (Mehta and Raski, 1971) 
     
Synonyms: 
            Pateracephalanema (Pellipecten) (Siddiqi, 1986) 
Back to Top

Morphology and Anatomy:

.

Females: Body stout, 0.23 to 0.50 mm long, straight or curved ventrally to form an open "C," bluntly rounded at both ends. 

Labial region distinctly set off from body with one large discoid basal annule, or with two annules, the first large and discoid. Submedian lobes absent. 

Stylet 50 to 89 µm long. 

Approximately 55 to 98 body annules, with scales arrayed in 8 to 16 longitudinal rows at midbody. Scales flat, smooth and rectangular, or semicircular or elaborately fringed with 7 to 10 setiform projections or continuous fringe of dense comb-like spines.  

 

Ref: Raski et al (1987, Geraert (2010)

Males: Four lateral lines.

Spicules 31 to 34 µm long.

Caudal alae small; tail conoid

Juveniles: Described only for P. australe. Annuli with cuticular scales as in female, but each scale rounded and bearing small projections.

 


Body size range for the species of this genus in the database - Click:
Back to Top

Distribution:

 

Back to Top

Economic Importance:

 

Back to Top

Feeding:

      
Back to Top

Hosts:

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

Life Cycle:

For Ecophysiological Parameters for this genus, click 
 
Back to Top

Damage:

 

Back to Top

Management:

 

Back to Top

References:

 

Geraert, E. 2010. The Criconematidae of the World. Identification of the family Criconematidae (Nematoda). Academia Press, 615p.

Raski, D.J. and Luc, M. 1987. A reappraisal of Tylenchina (Nemata) 10. The superfamily Criconemaroidea Taylor, 1936. Rev. Nemarol. 10:409-444.

 

Back to Top

Copyright © 1999 by Howard Ferris.
Revised: December 16, 2024.