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  • Title: Polystoma okomuensis n. sp. (Monogenea: Polystomatidae) from Boulenger's striped frog, Phlyctimantis boulengeri (Perret, 1986) in Nigeria.
    Author: Aisien MS, Du Preez LH, Imasuen AA.
    Journal: J Helminthol; 2011 Jun; 85(2):153-9. PubMed ID: 20670459.
    Abstract:
    Polystoma okomuensis is described as a new species of the Polystomatidae parasitic in the urinary bladder of Boulenger's striped frog Phlyctimantis boulengeri in the Okomu National Park, Edo State, Nigeria. Although other African polystomes have been reported from Nigeria, this is the first to be described from the country and the first from Phlyctimantis. It is distinguished from other African Polystoma species by a combination of characters, including the body size, size and shape of the hamuli, size and shape of marginal hooklets and intestinal location. Phlyctimantis boulengeri was found to be infected in two of four seasonal lakes where specimens were caught with prevalences and mean intensities ranging from 14.3 to 22% and 1.0 to 1.5, respectively. Of the total number of 45 frogs examined, the prevalence was 15.6% and mean intensity 1.4.
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