| effects of host species and life stage on the helminth communities of sympatric northern leopard frogs (lithobates pipiens) and wood frogs (lithobates sylvaticus) in the sheyenne national grasslands, north dakota. | we studied helminth communities in sympatric populations of leopard frogs (lithobates pipiens) and wood frogs (lithobates sylvaticus) and assessed the effects of host species and life stage on helminth community composition and helminth species richness. we examined 328 amphibians including 218 northern leopard frogs and 110 wood frogs collected between april and august of 2009 and 2010 in the sheyenne national grasslands of southeastern north dakota. echinostomatid metacercariae were the most c ... | 2013 | 23409956 |
| 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 |