Wilsonema

 

Contents

 

Rev: 12/11/2008

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Wilsonema Menu Economic Importance Damage
Distribution Management
Return to Plectidae Menu Feeding  References
         

Classification:

Adenophorea
  Chromadoria
   Araeolaimida
Plectoidea
            Plectidae
   Wilsonematinae
       Wilsonema Cobb, 1913
    Synonyms:
      
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Morphology and Anatomy:

Females:

Head with dorsal and ventral flanges.

Diovarial

Setae along body .

Thick cuticle.

Plectid esophagus with terminal, valved  postcorpus.
   

Two lines in lateral field.
Female gonad paired, outstretched.  Vulva in center of body
Photographs by H. Ferris. Specimens from soil-litter interface, UC Davis campus.

Labial region components of Wilsonema

from Holovachov et al., 2003.

CE = cervical expansion, CORN = cornu; FLAB = flabellum; LR = lateral rim; MP = midlateral projection; MR = median ridge; QUAD = quadrant; RR = radial ridge; YI = Y-shaped incisure.

For comparisons among genera, go to subfamily Wilsonematinae
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Distribution:

Reported world-wide.

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Economic Importance:

 

 

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Feeding:

 
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Hosts:

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Life Cycle:

 
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Damage:

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Management:

 
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References:

Holovachov, O., Bostrom, S., Tandingan De Ley, I., De Ley, P., and Coomans, A. 2003. Morphology and systematics of the genera Wilsonema Cobb, 1913, Ereptonema Anderson, 1966 and Neotylocephalus Ali, Farooqui and Tejpal, 1969 (Leptolaimina: Wilsonematinae) J. Nem. Morph. Syst. 5:73-106.

Copyright © 1999 by Howard Ferris.
Revised: December 11, 2008.