| polystomatidae (monogenea) of african anura: polystoma dawiekoki n. sp. parasitic in ptychadena anchietae (bocage). | polystoma dawiekoki n. sp. is described as a new species of the polystomatidae parasitic in the urinary bladder of the plain grass frog ptychadena anchietae. this parasite was collected at mkuze town and mkuze game reserve in northern kwazulu-natal province, in the kruger national park in mpumalanga province, south africa, and at bulwa in tanga province, east usambara mountains, tanzania. it is distinguished from other african polystoma species by a combination of characters, including the body ... | 2002 | 12023560 |