| helminth infracommunities of rana vaillanti brocchi (anura: ranidae) in los tuxtlas, veracruz, mexico. | 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 harbore ... | 2004 | 15357055 |
| haematoloechus danbrooksi n. sp. (digenea: plagiorchioidea) from rana vaillanti from los tuxtlas, veracruz, mexico. | haematoloechus danbrooksi n. sp. from the lungs of rana vaillanti in veracruz state, mexico, was found. the new species is most similar morphologically to h. medioplexus, h. parviplexus, and h. meridionalis in having a ventral sucker less than half the diameter of the oral sucker. it differs from these species by the extension of the vitellaria, which are shorter in the new species, and in the shape of the tegumental spines, which are blunt in the new species. it differs from all other known spe ... | 2002 | 12537116 |