Abstract:
Setaria scalprum (Von Linstow, 1908) and Setaria saegeri (Le Van Hoa, 1961) are closely related filarid species that occur in the smaller antelope of Africa. Material previously coIlected from common duiker, Sylvicapra grimmia, steenbok, Raphicerus campestris and grysbok, Raphicerus melanotis, from several localities in the northem and eastem regions of South Africa was re-examined and measurements of adult worms were compared with those given in the original descriptions of the species. Scanning electron microscopy of the anterior and posterior regions of the female worms confirmed the validity of the two species. Differences in the postdeirid, ventral transverse bands and bosses on the cuticle of the male specimens were also observed. Setaria saegeri in common duiker and grysbok is a new parasite record for these hosts.
Description:
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