Genus Miconchus

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ORDER MONONCHIDA
            Family Anatonchinae
                        Genus Miconchus

 

Genus Miconchus Andrassy, 1958, Syn. Miconchoides Jairajpuri and Khan, 1982

Diagnosis:” Anatonchinae.  Body length 1-7 mm.  Stoma roomy, with three basal teeth: one dorsal and two ventrosublateral, pointed forwards.  No other teeth nor ridges.  Female usually didelphic; rarely prodelphic or pseudomonodelphic; V≈50-80%.  Spicules arcuate, with lateral guiding pieces.  Supplements 9-24.  Tail short conoid to filiform, similar or different in the two sexes.  Caudal glands and spinneret well developed or reduced.
Type species:  Michonchus digiturus (Cobb, 1893) Andrassy, 1958” Zullini and Peneva, 2006


“Definition:  Monochidae.  Large species, Dorsal tooth and 2 subventral teeth equal in size, all at same level, in the second half of stoma, pointing forwards.  Stoma oval or barrel-shaped, moderately cuticularized.  Oesophago-intestinal junction tuberculate.  Ovaries usually paired, sometimes single and prodelphic.  Tails narrow with the hind part cylindrical, rarely conical.  Caudal glands and terminal duct usually present.” From Goodey 1963 and Powers and Mullin website http://nematode.unl.edu/

References:

Goodey T. and J.B. Goodey. 1963. Soil and Freshwater Nematodes.  Butler and Tanner Ltd, London, Great Britain

Powers T. and P. Mullin. Plant and Insect Parasitic Nematodes. University of Nebraska Nematology Website. http://nematode.unl.edu/   Images:
Genus comparisons- Mononchid heads
Genus comparisons- Mononchid tails

Zullini A. and Peneva V.  2006.  Order Mononchida.  In: Eyualem Abebe, Traunspurger W., and Andrassy I. (eds) Freshwater Nematodes: Ecology and Taxonomy. CABI Publishing, Cambridge, MA, p. 468-496