Nosema pyrausta (entomopathogen)
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Nosema pyrausta (A.Paillot) J.Weiser, 1961 (entomopathogen)
This species of microsporidia has been described as a pathogen of the European corn borer, Ostrinia nubilalis, causing a chronic debilitating disease which results in a slower increase or a decline of its host population. O. nubilalis is native to Europe and western Asia, but has spread to North America (first record 1917).
N. pyrausta was first described from Hungary in 1927, but has been also recorded from North America since 1950. It is believed to play a significant role in the regulation of its host population, reducing its developmental rate, fecundity, and longevity (Lewis et al., 2009). Like other Nosema species, it can be transmitted both horizontally through the feces of the host insect, as well as through the eggs to the next generation.
