Hypocristata		Contents		Rev: 07/22/2025
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Hypocristata Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Heligmonellidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

         Chromadorea

Chromadoria

         Rhabditida

Rhabditina

             Infraorder Rhabditomorpha

                  Heligmosomoidea

       Heligmonellidae

                    Nippostrongylinae

                  Hypocristata Durette-Desset, 1970

      

Type species of the genus: Hypocristata thomasomysii Durette-Desset, 1970 (I think)

Synonyms:
     

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Morphology and Anatomy:

Based generally on description of Hypocriststa tercera:

• Very thin nematodes uncoiled but curved along ventral side, around 3-4 mm long.
• Cephalic vesicle very thin and strongly striated.
• Excretory pore within anterior third of esophagus.
• Esophagus very long (about 490 um), about 20 % of body length in male, 15 % in female.
• Synlophe: consisting of 8 very thin, uninterrupted longitudinal ridges, appearing posterior to cephalic vesicle and present only in anterior third in female.
• Nerve ring and excretory pore within 20% of anterior of esophagus.

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Distribution:

Species have been described from Colombia and Venezuela.

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Feeding:

Food Sources and Feeding strategies for the genus Hypocristata

Parasites of the small intestine of rats in the Sigmodontinae (family Cricetidae).

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Biology and Ecology:

Intestinal parasites of Cricetidae (a family of rodents), superfamily Muridea..

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Life Cycle:

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Ecosystem Functions and Services:

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Management:

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References:

Durette-Desset, M-C. and Guerrero, R.A. 2006. A new species of Hypocristata (Nematoda, Trichstrongylina, Helimosomoidea) a parasite of Sigmodon hispidus (Cricetidae, Sigmodontinae) from Venezuela. Parasite 2006, 13 D.M. Spratt ^{‡}

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Copyright © 1999 by Howard Ferris.
Revised: July 22, 2025.