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Studies on the developmental cycle ofTrichospirura leptostoma (Nematoda: Thelaziidae)

Experimental infection of the intermediate hostsBlatella germanica andSupella longipalpa and the definitive hostCallithrix jacchus and development in the intermediate hosts

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Abstract

The cockroachesBlatella germanica andSupella longipalpa can act as intermediate hosts ofTrichospirura leptostoma as demonstrated by experimental infestation. The parasite developed from the embryonated egg into the infective larval stage (L3) in cockroaches within 5–6 weeks. After experimental infection of marmosets (Callithrix jacchus), eggs were first found in faecal samples (prepatency) at 8–9 weeks post-infection. Patency last about 2 years. Despite the presence of living adult worms in the marmosets' pancreas, no additional eggs were observed in their faeces after the patent period.

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Correspondence to B. Illgen-Wilcke.

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Illgen-Wilcke, B., Beglinger, R., Pfister, R. et al. Studies on the developmental cycle ofTrichospirura leptostoma (Nematoda: Thelaziidae). Parasitol Res 78, 509–512 (1992). https://doi.org/10.1007/BF00931572

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Keywords

  • Faecal Sample
  • Larval Stage
  • Intermediate Host
  • Adult Worm
  • Experimental Infection