Experiments were carried out to test the effects of chemicals on different behavioural activities of T.chilonis females on the treated Corcerya cephalonica eggs was recorded the video for 10 minutes (600sec) and analyzed by using Observer® XT software developed by Noldus technology. The results showed that among the six insecticides and one antibiotic with the doses (LD50, half of LD50 and one fourth of LD50) tested, all the pesticides were negatively effects the behavioural activities of T.chilonis females, except only chlorantraniliprole pesticide and sublethal (lower) doses of Spinosad @ 0.0045% and streptomycine sulphate @ 0.000375% found harmless. The oviposition of T. chilonis females on treated C. cephalonica eggs was found in the lethal dose of chlorantraniliprole@ 0.006% and sublethal doses of 0.003%, 0.015%with mean duration of 211.3sec, 223.3secand230sec.The oviposition activity in the sublethal doses of spinosad @ 0.0045% and streptomycine sulphate @ 0.000375%with mean duration of 208.6sec and 226.4sec it was found that significantly lower than control. Thenon- ovipositional activities of T. chilonis females only found maximum in the remaining chemicalswhich suggested that T. chilonis females were trying to avoid the host treated site and escape.
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