Chandigarh, Sep 25 : Haryana's first butterfly survey in Khol block in Rewari district will be conducted by Forest and Wildlife Department on September 27, it was announced on Saturday. In the survey the diversity of butterflies will be assessed in the Aravalli region. The survey will be conducted in Khol block comprising 10 villages having continuous stretch of hillocks namely Palra, Ahhrod, Bassduda, Khol, Manethi, Bhalki, Majra, Nandha, Balwari and Khaleta, have about 1,000-hectare area. The outcome of the survey will help chalking out management strategy for the conservation of butterflies and moths, an official statement said. This will also form the basis for observing the impact of habitat disturbance and climate change on the ecology of the region. The survey will be undertaken with the assistance of nature lovers, voluntary agencies and volunteers under the guidance of experts. /IANS