Ironus ignavus		Contents		Rev: 02/22/2024
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Ironus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Ironidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Enoplea

  Enoplia
        Enoplida

            Ironina

                Ironoidea

                    Ironidae

Ironustinae

                  

Ironus ignavus Bastian, 1865

Type species of the genus

    Synonyms:

           Ironus longicallis Daday, 1899

Ironus minor Cobb, 1915

Ironus intermedius Stefanski, 1936

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Morphology and Anatomy:

• Cuticle veryy thin, smooth.
• No crystalloid particles in body cavity
• Labial region very slightly offset
• Cephalic setae of length around 40% of cephalic diameter
• Amphids funnel shaped, aperture width about half body diameter.
• Stoma 6-7 times as long as labial width, with claw-like teeth
• DEGO at about35-40% of stoma depth
• Excretory pore near cephalic setae.
• Rectum length 2 x abd
• Tail moderately long, attenuated to slender in posterior 60%

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Distribution:

Widely distributed; reported from moss and moist soil and freshwater. Reported from all continents.

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Feeding:

Free-living freshwater (mainly) nematodes; predators of microinvertebrates and nematodes (Yeates et al., 1993)

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Biology and Ecology:

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Life Cycle:

Ecophysiological Parameters:

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Ecosystem Functions and Services:

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Management:

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References:

Andrassy, I. 2007. Free-living Nemaodes of Hungary, Volume 2. Hungarian Natural History Museum, Budapest.

Girgan, C., Shokoohi, E., Marais, M., Fourie, H., Tiedt, L., Swart, A. 2021. Description of Ironus telperionensis n. sp. (Nematoda: Ironidae) and two known species of Chronogaster (Nematoda: Chronogastridae) and Paraphanolaimus (Nematoda: Aphanolaimidae) from the Telperion Nature Reserve (Mpumalanga, South Africa). Nematology 23: 939-962

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331.

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Copyright 1999 by Howard Ferris.
Revised: February 22, 2024.