nosema tyriae n.sp. and nosema sp., microsporidian parasites of cinnabar moth tyria jacobaeae.nosema tyriae n.sp. was found in 63% of a population of cinnabar moth larvae (tyria jacobaeae). the infection was found in the gut wall, silk glands, and fat body and was probably generalized but appeared to be of low pathogenicity. merogony and sporogony were by binary fission of diplokaryotic stages. fresh spores were elongate, slightly pointed at the anterior end, and measured 4.7 x 2.0 microm. ultrastructural features of special interest were 20-nm tubules connecting the surface of sporonts ...199910388544
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