Epidorylaimus

 

Contents

 

Rev 04/04/2023

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

Enoplea
                             Qudsianematidae

Epidorylaimus Andrássy, 1986

Type species of the genus: Epidorylaimus lugdunemsis (de Man, 1880) Andrassy, 1986

    
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Morphology and Anatomy:

Ref. Andrassy, 2009; Ahmad et al., 2016

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Female:  
Males:  

 

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

 

 

Key to species of the genus Epidorylaimus Andrassy, 1986 (from Ahmad et al., 2016)

1.       Female genital system amphidelphic . . . . . . . . . . . . . . . . . . . . . 2

Female genital system mono-opisthodelphic . . . . . . . . .  E. monhystera

2.       Odontostyle less than 15 µm long .  . . . . . . . . . . . . . . . . . . . . . . . 3

Odontostyle more than 15 µm long. . . .. . . . . . . . . . . . . . . . . . . . 9

3.       Vulva at 36% of body length; ovaries very short . . . E.  muscorum

Vulva at more than 40% of body length; ovaries normally developed . .  4

4.       Tail longer; c-= 4.5 -7.0 . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Tail shorter; c - = 2.9 -3.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5.       Smaller species, with short odontostyle (9 -11 µm) . . .. .E.  lugdunensis

Medium size species with odontostyle about 14.5 -15 µm . . . E.  andrassyi

6.       Tail tip pointed, cuticle near odontostyle distinctly thinner than posteriorly. . . . 7

Tail tip finely rounded, cuticle nearodontostyle as thick as cuticle posteriorly. . . 8

7.       Lips well separated, head sharply offset, a = 28. . . . . . . . . . . . . E.  muchabbatae

Lips hardly separated, head slightly offset, a = 34 . . . . . . . . . .  .E. humilior

8.       Tail nearly cylindrical in posterior, body slender, a =40 -63. . . .E.  leptosoma

Tail gradually narrowing, body less slender, a = 24 -36 . . . . . .  . E. humilis

9.       Odontostyle more than 25 µm long. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Odontostyle less than 25 µm long . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

10.   Body robust, a = 20 -35; tail hook-like, tip sharply pointed. . . . .. . E. .rivalis

Body slender, a = 42 -50; tail not hook-like, tip finely rounded . . .E. mellenbachensis

11.   Tail shorter, c = 16 -24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Tail longer, c =10 -14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

12.   Rectum about two anal body diameters long . . . . . . . . . . . . . . . . .E. consobrinus

Rectum about one anal body diameter long . . . . . . . . . . . . .. . . . . E. filicaudatus

13.   Tail 6 -8 times anal body diameters long . . . . . . . . . . . . . . . . . .. . . E.  pseudoagilis

Tail 3 -5 times anal body diameters long . . . . . . . . . . . . . . . . . . . . . . . 14

14.    Tail rapidly narrowing to its middle, then cylindrical. .. . . . . . .. . . .E.  agilis

 Tail gradually narrowing to its tip . . . . . . . . . . . . . . . . . . .. . . . .. . . .E.  angulosus

 
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Distribution:

Widespread distribution worldwide.

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Feeding:

 Categorized as an omnivore (Yeates et al., 1993).    
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Biology and Ecology:

   
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Life Cycle:

For Ecophysiological Parameters for this genus, click 
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Ecosystem Functions and Services:

 

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Management:

 

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Additional Information and Resources

University of Nebraska Nematode Website (Developed by Dr. Tom Powers and colleagues)

(Use your Return Key or click the Index Tab to return to this Nemaplex page)

 

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References:

Ahmad, W., Imran, Z., Araki, M.  2016. Epidorylaimus monhystera sp. n., an atypical species of the genus Epidorylaimus Andrassy, 1986 (Dorylaimida: Qudsianematidae) from Japan. Zootaxa 4072:090 -100. 

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

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: April 04, 2023.