Srivastavanema

  

Contents

  

Rev: 05/27/2025

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Srivastavanema Menu Ecosystem Functions and Services
Distribution Management
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Classification:

         Chromadorea

Chromadoria

         Rhabditida

Rhabditina

             Infraorder Rhabditomorpha
                  Heligmosomoidea
       Heligmonellidae
                    Brevistriatinae
                  Srivastavanema (Singh, 1962) Durette-Deseret & Liat, 1975
Type species of the genus: Srivastavanema longispicularis (Singh, 1962) Durette-Deseret & Liat, 1975

    Synonyms:

Longistrata longispicularis Singh, 1962

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Morphology and Anatomy:

 Characters based mainly on description of S. cynocephali

 

 

Females:

  • Synlophe ridges disappear anterior to vulva in female.
  • Vulval opening posterior, about 300mu from tail tend
  • Vulva protruding. Vagina short, thick-walled
  • Uterus 3.4 mm long. Numerous unembryonated eggs at morula stage,
  • Tail with blunt extremity

Ref: Durette- Desset and Purwaningsih, 1999

  
 

Males:  

  • Synlophe ridges disappear just anterior to caudal bursa in male
  • Spicules subequal, very thin with alae, 900, 860 long, with very sharp single tip
  • Gubernaculum curved, thin and triangular,
  •  Genital cone very prominent,
  • Thin papilla “zero” on ventral lip of cloaca and small papillae on dorsal lip

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

 

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Feeding:

Food Sources and Feeding strategies for the genus Srivastavanema

Intestinal parasites of arboreal mammals, mainly reported from Oriental Petauristinae (Sciuridae, flying squirrels)

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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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References:

Durette-Desset, M-C. and Purwaningsih, E. 1999. Srivastavanema cynocephali n. sp. (Nematoda, Trichostrongylina, Heligmosomoidea), a parasite of a dermopteran from Indonesia. Systematic Parasitology 42:187-192.

Miyamoto, A., Anada, M. Tsuchiya, K., Nakama, S., Yokohata, Y. 2017. Srivastavanema musasabi (Nematoda Heligmosomoidea) obtained from two speciews of flying squirrels (Pteromys momonga and P. volans) in Japan. Japan J. Zool. Wildl. Med. 22:51-53

Singh, K.S. 1962. Parasitological survey of Kuman Region, Part II.  Longistrata longispicularis n.sp. (Heligmonelidae, Tidvhstrogyloidea: Nematoda) from a flying squirrel. Indian J. Helminthol. 14:24-30

 

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Copyright © 1999 by Howard Ferris.
Revised: May 27, 2025.