Pseudoxyo		Contents		Rev 05/20/2025
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Pseudoxyo Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Hystrignathidae Menu		Feeding		References
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Classification:

Pseudoxyo Zhang & Zhang, 2022

Type species of the genus: Pseudoxyo yunnanensis Zhang & Zhang, 2022

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Morphology and Anatomy:

• Body relatively stout.
• Cervical cuticle with alternate rows of spines. Spines originating a short distance from head. Spines of first row small with 22 elements. Second row of spines longer than the first one.
• Lateral alae absent.
• Oral opening nearly circular, surrounded by a cuticular ring.
• Head with 8 papillae and a pair of amphids.
• Esophagus withf a muscular, clavate corpus, short isthmus and basal bulb.

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Distribution:

Type species described from China.

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Feeding:

Food Sources and Feeding strategies for the genus Pseudoxyo

 Intestinal parasites of passalid beetles (Coleoptera).

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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

Zhang, N., Zhang, L. 2022. Three new genera, two new species and one new combination of family Hystrignathidae (Nematoda: Thelastomatoidea) from Ceracupes fronticornis (Westwood) (Insecta: Passalidae) in China. Research Square: DOI: https://doi.org/10.21203/rs.3.rs-1637079/v1

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Copyright © 1999 by Howard Ferris.
Revised: May 20, 2025.