| a new species of rhabdias from lungs of the wood frog, rana sylvatica, in north america: the last sibling of rhabdias ranae? | rhabdias bakeri n. sp. is described from specimens found in lungs of the wood frog, rana sylvatica, from north dakota. the new species has previously been mistakenly identified as rhabdias ranae walton, 1929, a common parasite of the leopard frog, rana pipiens. the new species differs from r. ranae and rhabdias joaquinensis ingles, 1935 by the shape and size of pseudolabia, shape and size of buccal capsule, and wider esophageal bulb. molecular analysis based on the partial sequences of nuclear 1 ... | 2006 | 16884011 |
| nematode lungworms of two species of anuran amphibians: evidence for co-adaptation. | genetic studies have indicated that some parasite species formerly thought to be generalists are complexes of morphologically similar species, each appearing to specialize on different host species. studies on such species are needed to obtain ecological and parasitological data to address whether there are fitness costs in parasitizing atypical host species. we examined whether lungworms from two anuran host species, lithobates sylvaticus and lithobates pipiens, differed in measures of infectio ... | 2008 | 18572173 |
| host specificity of north american rhabdias spp. (nematoda: rhabdiasidae): combining field data and experimental infections with a molecular phylogeny. | lungworms of the cosmopolitan genus rhabdias are among the most common parasites of amphibians and squamate reptiles. the present study used experimental infections, field studies, and a molecular phylogeny to determine the host specificity of 6 rhabdias spp. that infect snakes and anurans from north america. the molecular phylogeny suggests rhabdias ranae from nebraska and mississippi may represent separate, cryptic species. in addition, the phylogeny strongly supports separate clades for anura ... | 2013 | 22988815 |