Actinca costata

  

Contents

  

Rev 12/21/2021

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Actinca Menu Ecosystem Functions and Services
Distribution Management
Return to Actinolaimidae Menu Feeding  References
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Classification:

Enoplea
Dorylaimia
      Dorylaimida
Actinolaimidae
Brittonematinae

Actinca costata (Schneider, 1935) Coomans & Loof, 1986

Synonym: Actinolaimus costatus Schneider, 1935

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Morphology and Anatomy:

 

 

 

.
  • Cuticle thick with prominent longitudinal ridges.
  • Lip region offset by shallow depression, abdout 2.5 x as wide as high.
  • Odontostyle length about 1.8 x width of lip region; the aperture occupies one-third of the length.
  • Odontophore weak, poorly developed.
  • Enlarged part of esophagus about 50% of total length.


Female:  

  • Dioavrial, amphidelphic.
  • Vulva a longitudinal slit.
  • Female tail elongate conoid with pointed tip and two pairs of caudal pores.


Ref:  Coomans and Loof (1986)

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Males:

  • Paired testes, long vas deferens.
  • Spicules slender, arcuate.
  • Supplements: an adanal pair and 14-18 ventromedian supplements arranged in two fascicles
  • Male tail short, dorsally convex-conoid, slightly less than one anal body width long; with 7-12 caudal pores.

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

 
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Distribution:

 

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Feeding:

  Categorized by Yeates et al., 1993 as a predator and omnivore.   

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Biology and Ecology:
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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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Ecosystem Functions and Services:

 

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Management:

 

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References:

Andrassy, I. 2009. Free-living Nematodes of Hungary III.  Hungarian Natural History Museum, Budapest. 608p.

Coomans, A. and Loof, P.A.A. 1986. Redescription of Actinolaimus costatus Schneider, 1935 (Nematoda : Actinolaimidae), with observations on its pharyngosomatic muscles and discussion of its taxonornic position. Revue Nematol. 9:221-231.

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331

 

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Copyright © 1999 by Howard Ferris.
Revised: December 21, 2021.