Effect of the Water Extract of the Usher on the Red flour Beetle (Tribolium castaneum)

Abstract

This study was conducted at insect LAB, College of Agricultural studies, Sudan University of Science and Technology in September 207 . The objective knows the toxicity of Usher plant on adult of red Tribolium castaneum. The data obtained indicated that plant extracts tested with three concentration 2.5 ,5 , 10% adversely affected the mortality of adult stage. The concentration 10% showed high percentage of mortality and the concentration (2.5%) gave 5% percentage of mortality.