Occurrence of Neozygites sp. (Zygomycetes: Entomophthorales) attacking the Kanzawa spider mite, Tetranychus kanzawai (Kishida) in a tea field
2010
Ishikawa, I., Saitama-ken. Agriculture and Forestry Research Center, Iruma (Japan). Green Tea and Local Products Lab.
An entomophthoraceous fungus, Neozygites sp. attacked the Kanzawa spider mite, Tetranychus kanzawai (Kishida) in a tea field, Hidaka, Saitama Prefecture, Japan. The fungal infections with Neozygites sp. in a population of T. kanzawai occurred in May, June, September and October but did not occur in July and August. The percentage parasitism of spider mites by Neozygites sp. for larvae, nymphs and adults were 0%, 5.5% and 29.6%, respectively in September. Resting spores were azygospores and were found in cadavers of T. kanzawai collected from September to November. Resting spores on the tea leaves germinated from early to late May in a tea field. Resting spores germinated with short germ tube to form a spherical primary germ conidium remaining on germ tube and forming a capilliconidium.
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