Morfologi Larva dan Pola Infeksi Falcaustra kutcheri Bursey et.al., 2000 (Nematoda : Cosmocercoidea: Kathalaniidae) Pada Leucocephalon yuwonoi (McCord et.al., 1995) Di Sulawesi Tengah, Indonesia

ABSTRACT Morphological Study of Larvae and Infection Pattern of Falcaustra kutcheri Bursey et.al., 2000 in Leucocephalon yuwonoi Mc Cord et.al., 1995 from Sulawesi. Some nematode parasites Falcaustra kutcheri Bursey et.al., 2000 were found in alimentary tract of Leucocephalon yuwonoi, those were large in numbers in rectum and a small numbers in stomach. Both adult and larvae were collected from the host. The larvae were different on mouth structure and the shape of esophagus. An additional character, i.e two lateral branches of the anterior part of intestine, that appear along the growth of larvae were reported. Key words: Nematode, Falcaustra kutcheri, infection pattern, larvae, morphology, Leucocephalon yuwonoi, Sulawesi