A new metastrongilid species (Nematoda: Metastrongylidae): a lungworm from Akodon montensis (Rodentia: Sigmodontinae) in Brazil.

Angiostrongylus lenzii n. sp. (Nematoda: Metastrongyloidea) is described and illustrated from the pulmonary artery of the wild rodent Akodon montensis Thomas, 1913, collected in the municipality of Teresopólis, Rio de Janeiro State, Brazil.