Family: Mehdinematidae

 Rev: 02/26/2024

Classification:
 

Chromadorea
    Chromadoria

Rhabditida

Rhabditina

Diplogastroidea

          Mehdinematidae Farooqui, 1967

Parasites of crickets

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Morphology and Anatomy:

• Eesophagus with a thicker anterior region with a slight bulb and a cylindrical posterior section which is expanded at the intestinal junction
• Males and females with spines extending to the middle body region
• Male spicules are equal alength nd the gubernaculum is intricate
• Female amphidelphic
• Female tail with bifid tip.

Sexually transmitted between cricket hosts. Infective dauer juvenile nematodes are transferred from male to female crickets during copulation. Adult female crickets harboring infective dauers subsequently transfer the nematode to their next mates. 

Adult nematodes occur primarily in the hindgut of mature male crickets, whereas juvenile nematodes are found in the genital chambers of mature male and female crickets.

References

Andassy, I. (2005) Free-living Nematodes of Hungary, Part I. (Nematoda errantia). Hungarian Natural History Museum 518p.

Luong, L.T., Platzer, E.G., Zuk, M., Giblin-Davis, R.M. 2000. Venereal worms: sexually transmitted nematodes in the decorated cricket. J. Parasitology 86:471-477.

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