Investigation on Insecticidal Plant Resources in Ningxia

Insecticidal plant resources were investigated by methods of collecting samples,checking records and asking local people in Ningxia from 2008 to 2011.The results showed that there were 56 species belonging to 16 families in Ningxia,of which the species of Compositae were the most(15 species),and Leguminosae ranked secondly with 8 species,and Euphorbiaceae ranked thirdly with 5 species.These insecticidal plant resources distributed in whole Ningxia and laid a foundation for rational development and utilization of insecticidal plant resources.