Population density of jassids ( Amrasca Biguttula Biguttula ) and thrips ( Thrips Tabaci ) on cotton crop and efficacy of some botanical insecticides against cotton jassids and thrips Journal title: Journal of Biodiversity and Environmental Sciences (JBES) Authors: Zahid Latif, Sajjad Ahmed, Kamran Sohail, Laila Khan, Muhammad Ishfaq Subject(s): Biological Sciences, Environmental Sciences, Biology