Analysis of insect toxicity and repellent activity of phytochemicals from [Skimmia laureola, Nair] against [Black garden ant, Lasius niger] of Pakistan

ABSTRACT

A study was conducted to evaluate the toxicity and repellency of essential oils from root, stem and leaves of Nazar panra, Skimmia laureola [DC.] Zucc. Ex Walp. of family [Sapindales Rutaceae] ver. Nair of Pakistan. The oils were tested at three concentrations i.e. 1, 5 and 10Black garden ant, Lasius niger L. [Hymenoptera Formicidae] of Pakistan were selected and exposed to essential oils at room temperature. All essential oils showed Insecticidal activity with LC50=10.15, while dose dependant effect was significant with R2=0.98. It can be concluded that the three Essential oils in this study have both Insecticidal as well as repellent effect