ecological factors responsible for the geographic distribution of rhabdias joaquinensis: where do lungworms infect anurans in nature? | the lungworm rhabdias joaquinensis (nematoda: rhabdiasidae) is a common parasite of anurans in eastern nebraska, yet absent from the same hosts in western nebraska. this study investigated the ecology of the lungworm's free-living stages that reside in host feces and surrounding soils to establish the worm's free-living niche in eastern nebraska. using a comparative method, this study also investigated the absence of lungworms in western nebraska's sandhills. soil composition, moisture, and temp ... | 2016 | 26666887 |