LITOMOSOIDES-CHAGASFILHOI SP-NOV (NEMATODA, FILARIOIDEA) PARASITIZINGTHE ABDOMINAL-CAVITY OF AKODON-CURSOR (WINGE, 1887) (RODENTIA, MURIDAE) FROM BRAZIL

Litomosoides chagasfilhoi sp. nov., a parasite of the abdominal cavity of the wild rodent Akodon cursor (Winge, 1887), is described herein a ccording to investigations conducted by light and scanning electron mi croscopy. The leading morphological characteristics of the new species are as follows: the buccal capsule is higher than it is wide and has walls thinner than the lumen, and the left spicule presents a handle l onger than the blade, whose edges form large membranous wings folded l ongitudinally. This new species is different from L. silvai Padilha an d Faria, 1977, living in the thoracic cavity of the same host.