Pesticides Research, 41, 1998

Effects of Dimethoate on Collembola


Effect of dimethoate on activity and behaviour was tested on single juvenile and adult Folsomia fimetaria (collembol). Activity increased at 0.1 x recommended dosage but decreased at higher dosages. The occurence of 7 behavioural states was recorded through 6 1/2 hours and 1-7 subsequent days. 3 states, resting or mobile, were negatively correlated with dosage. Abilityto choose between treated and untreated substrate was not confirmed.

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