Klossiella		Contents		Rev 09/30/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Klossiella 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

Klossiella Cordeira, 1981

Type species of the genus:  Klossiella travassosi Cordeira, 1981

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Morphology and Anatomy:

Female:

• Cervical cuticlewith transverse rows of spines; spines in successive rows aligned.
• Cephalic extremity of  two annules, the posterior relatively large
• Stoms opening surrounded by pedunculate papillae
• Esophagleal corpus divided; posterior portion subcylindrical
•  Vulva near midbody
• Monodelphic
• Tail attenuated..
• Genus differs from Coronocephalus by the presence of cervical spines and more usual egg shell.

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Distribution:

Species described from passalid beetles in Brazil.

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Feeding:

Food Sources and Feeding strategies for the genus Klossiella

 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

Cordeira, N. da Silva. 1981. Nematoides intestinais de Passalidae; Revisao de sua sistematica e catalogacao das especies conhecidas . Doctoral Thesis, Institute of Biomedical Sciences, University of Sao Paulo, Brazil, 279 pp .

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Revised by Howard Ferris: September 30, 2026.