Parahistiostrongylus		Contents		Rev: 08/24/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Parahistiostrongylus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Molineidae Menu		Feeding		References
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Classification:

         Chromadorea

Chromadoria

         Rhabditida

Rhabditina

             Infraorder Rhabditomorpha

                  Molineoidea

       Molineidae

Anoplostrogylinae

                   

                  Parahistiostrongylus Perez Vigueras, 1941

      Type species of the genus:  Parahistiostrongylus

    Synonyms:
     

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Morphology and Anatomy:

General Characteristics:

• Medium-sized, non-coiled nematodes.
• Synlophe consisting of around 100 ridges at mid-body; ridges oriented perpendicularly to the body wall
• Head bearing a cephalic hood armed with 8 large spines joined at their base, with a sharp blade.
• Mouth triangular with a dorsal tooth. Ring of internal and external labial papillae reduced to two lateral papillae joined into a double papilla near the amphids.
• Four cephalic papillae
• Esophagus equipped with a valve located before a constriction followed by a distinct distal bulb.
• Short esophago-intestinal canal present
• Nerve ring, excretory pore, and deirids at the same level, located very anteriorly.

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Distribution:

Species are reported as parasites of fruit eating New World Leaf-nosed bats (Phyllostomidae) in Central and South America.

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Feeding:

Food Sources and Feeding strategies for the genus Parahistiostrongylus

Intestinal parasites of fruit-eating bats

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Biology and Ecology:

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Life Cycle:

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Ecosystem Functions and Services:

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Management:

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References:

Vaucher, C., Durette-Desset, M-C. 1999. Histiostrongylus spineus n. sp. (Nematoda: Trichostrongylina), parasite of Phyllostomus discolor (Chiroptera: Phyllostomidae), and comments on the genera Histiostrongylus Molin, 1861 and Parahistiostrongylus Perez Vigueras, 1941. Rev. Suisse de Zoologie 106:611-620.

Revised by Howard Ferris.
Revised: August 24, 2026.