Sprentia		Contents		Rev 09/30/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Sprentia Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Hystrignathidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

            Chromadoria

Sprentia Clark, 1978

Type species of the genus: Sprentia australis Clark, 1978

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Morphology and Anatomy:

Female:

• Cervical spines absent.
•  Lateral alae beginning near level of esophageal bulb, ending slightly anterior to anus.
• Cephalic extremity formed by single circumoral annule.
• Esophageal corpus divided; anterior portion very short; posterior part slightly clavate; isthmus ill-defined; valves in posterior bulb poorly developed.
• Vulva near midbody; vagina anteriorly-directed.
• Didelphic-amphidelphic. Eggs markedly elongate.
• Tail short and conical.

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Distribution:

Species described from passalid beetles in Australis

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Feeding:

Food Sources and Feeding strategies for the genus Sprentia

 Intestinal parasites of passalid beetles (Coleoptera: Passalidae).

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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:

Adamson, M.L. and Van Waerebeke, D. 1992. Revision of the Thelastomatoidea, Oxyurida of invertebrate hosts III . Hystrignathidae. Systematic Parasitology 22:111-130

Clark, W.C. 1978. Nematoda (Oxyuroidea; Thelastomatidae) from Australian passalid beetles (Coleoptera; Passalidae) with descriptions of new species. Australian Journal of Parasitology, 26, 603-615

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Revised by Howard Ferris: September 30, 2026.