Seasonal population dynamics of spider mite, Tetranychus ludeni Zacher (Tetranychidae) and associated predatory mite, Neoseiulus sp. nr. neoghanii (Phytoseiidae) on tomato (Solanum lycopersicum L. var. Solan gola: Solanaceae) f


  • Dr YSP University of Horticulture and Forestry, Department of Entomology, Solan, Himachal Pradesh, 173 230, India


The study was carried out during 2013 and 2014 on tomato (var. Solan gola) in open field. Infestation of Tetranychus ludeni Zacher was recorded. Predatory mite viz. Neoseiulus sp. nr. neoghanii was observed in association with T. ludeni. Maximum population of T. ludeni was recorded during June month both years with population 2.6±0.58 (2013) & 2.3±0.42 (2014) mites/leaf. N. sp. nr. neoghanii was observed in June and July month. Population was 0.2±0.2 mites/leaf both years. Populations of T. ludeni and N. sp. nr. neoghanii showed a positive correlation with average temperature and negatively correlated with relative humidity. Occurrence of these species on this crop was the first report from this region. The study will be useful in bio control programme in near future.


Biological control, mite, phytophagous, predator

Subject Discipline


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