Ultrastructure and development of a microsporidium isolated from a natural Euproctis chrysorrhoea larval population in Western Bulgaria were studied. Mature environmentally resistant spores of this microsporidium possess typical diplokarya, 9-10 polar filament coils, smooth polaroplasts and wavy exospores; we consider it to be a Nosema species. Nosema sp. occurred in the fat body and silk glands of E. chrysorrhoea and caused hypertrophy of the silk gland cells. This species is not infective to closely related Lymantria dispar. This Nosema isolate does not appear to be one of the species previously described from E. chrysorrhoea.
|Original language||English (US)|
|Number of pages||5|
|State||Published - Jan 1 2002|
- Euproctis chrysorrhoea
- Nosema sp.
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