MORPHOLOGICAL DESCRIPTION AND LIFE CYCLE OF PARAGONIMUS SP. (TREMATODA: TROGLOTREMATIDAE): CAUSAL AGENT OF HUMAN PARAGONIMIASIS IN COLOMBIA

Imelda Vélez; Luz E. Velásquez; Iván D. Vélez

doi:10.1645/GE-2858

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Imelda Vélez,¹ Luz E. Velásquez,¹ Iván D. Vélez¹

¹Program for the Study and Control of Tropical Diseases–PECET, University of Antioquia, AA 1226, Carrera 50 No. 63-85, Medellín, Colombia. ivelez@matematicas.udea.edu.co

Abstract

The first morphological description is made of all stages of the life cycle of a Paragonimus species infecting humans in Colombia. Larval stages were obtained both in vitro and from field collections. Adult Paragonimus spp. are described. The aquatic snail Aroapyrgus sp. serves as an intermediate host of this species, both naturally and experimentally, yielding rediae and cercariae. Crabs (Hypolobocera bouvieri monticola and H. emberarum) were found to be the natural second intermediate hosts, and individuals of another crab species (Strengeria sp.) were also infected in the laboratory.

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Imelda Vélez, Luz E. Velásquez, and Iván D. Vélez "MORPHOLOGICAL DESCRIPTION AND LIFE CYCLE OF PARAGONIMUS SP. (TREMATODA: TROGLOTREMATIDAE): CAUSAL AGENT OF HUMAN PARAGONIMIASIS IN COLOMBIA," Journal of Parasitology 89(4), 749-755, (1 August 2003). https://doi.org/10.1645/GE-2858

Received: 30 November 2001; Accepted: 1 February 2003; Published: 1 August 2003

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