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Passalurus ambiguus

Passalurus ambiguus

Passalurus ambiguus

Taxonomy

  • Kingdom Animalia
  • Phylum Nematoda
  • Class Secernentea
  • Order Oxyurida
  • Superfamily Oxyuroidea
  • Family Oxyuridae
  • Genus Passalurus

Final host

  • Rabbit, hare

    Morphology

  • Adults (≈ 4-11 mm, according to sex): whitish worms known as "pin worms" because of the very long tapering tail of the mature females
  • The oesophagus has the typical oxyurid oesophageal bulb
  • Males have only one spicule and lack of copulatory bursa
  • Eggs (≈ 88-110 x 43 µm) are thin-walled, with slightly flattened walls on one side

    Cycle

  • Direct

    Location

  • Caecum, colon

    Feeding

  • Intestinal content

    Diagnostic

  • Eggs

    Transmission

  • L3 within the egg