Molostrongylus mbopi n. sp (Nematoda : Trichostrongylina, Molineoidea) parasite of three Molossops species (Chiroptera, Molossidae) from Paraguay

A new species of the genus Molostrongylus parasite of Molossops planirostri s, M. abrasus and M. temmincki, from Paraguay is described. It differs from the sole species of the genus, Molostrongylus acanthocolpos (DURETTE-DESSE T & VAUCHER 1996) by several characters: cephalic plates absent; deirids po sterior to excretory pore level, the synlophe with only 2 alae and 2 ventra l ridges in male, different pattern of the synlophe along the whole body in female; caudal bursa with rays 9 arising from dorsal ray prior to or at sa me level as division of the latter, rays 10 shorter than rays 9, a few, lar ge spines present in ovejector region, tail about twice as long as wide at its basis in female.