A total of 76 adult individuals of Rana vaillanti were collected in Laguna Escondida, Los Tuxtlas, Veracruz, Mexico, and their helminth infracommunity structure was determined. Among the 21 helminth taxa collected (10 digeneans, 8 nematodes, and 3 acanthocephalans), the digenean Langeronia macrocirra reached the highest prevalence (64.4%), mean abundance (6.6), and mean intensity (10.4), as well as the highest total number of individuals (499). Only 2 frogs were uninfected, the remainder harbored between 1 and 7 helminth species and 1–102 individuals; mean species richness and abundance were 3.49 ± 0.22 and 16.1 ± 16.3, respectively. Langeronia macrocirra dominated in 50.6% of the infracommunities, with relatively low Berger– Parker index values (0.56); for this reason, the evenness was high (0.70 ± 0.31), and consequently, diversity values are the highest recorded to date in species of Rana. However, patterns of helminth infracommunity richness and diversity were similar to those previously observed in amphibians. This structure is attributed to the feeding habits (between 66.7 and 81% of helminth species parasitizing R. vaillanti enter using the food web dynamics) and low vagility (the remainder species infect by host penetration).
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August 2004
ECOLOGY-EPIDEMIOLOGY|
August 01 2004
HELMINTH INFRACOMMUNITIES OF RANA VAILLANTI BROCCHI (ANURA: RANIDAE) IN LOS TUXTLAS, VERACRUZ, MEXICO
Laura Paredes-Calderón;
Laura Paredes-Calderón
Laboratorio de Helmintología, Instituto de Biología, UNAM, AP. 70-153, CP. 04510 México City, D.F., México. [email protected]
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Virginia León-Règagnon;
Virginia León-Règagnon
Laboratorio de Helmintología, Instituto de Biología, UNAM, AP. 70-153, CP. 04510 México City, D.F., México. [email protected]
* To whom correspondence should be addressed
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Luis García-Prieto
Luis García-Prieto
Laboratorio de Helmintología, Instituto de Biología, UNAM, AP. 70-153, CP. 04510 México City, D.F., México. [email protected]
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J Parasitol (2004) 90 (4): 692–696.
Citation
Laura Paredes-Calderón, Virginia León-Règagnon, Luis García-Prieto; HELMINTH INFRACOMMUNITIES OF RANA VAILLANTI BROCCHI (ANURA: RANIDAE) IN LOS TUXTLAS, VERACRUZ, MEXICO. J Parasitol 1 August 2004; 90 (4): 692–696. doi: https://doi.org/10.1645/GE-226R
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