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The present study deals with the damages caused by subterranean termites with the help of survey of infested houses in Lahore. Results of the survey have been made on the basis of most important destructive termite species in various parts of the city, classification of damage in different structures, and counter measures adopted against termite infestation.Feeding activity of Heterotermes indicola (Wasmann) was also observed against commercial timbers of Pakistan under Laboratory conditions in Modified Wood Block Test. Foraging activity and territory of Coptotermes heimi (Wasmann) in Jallo...

The present study was designed to investigate the efficacy of four classes of insecticides: pyrethroids, organophosphates, phenyl-pyrazoles and neo-nicotenoids, which were tested for their LC50 values against three strains of Periplaneta americana (Linnaeus) under topical and contact glass jar methods. Strain 1 was found to be highly resistant while least resistant was strain 3 with very low LC50 values for all insecticides. Imidacloprid 5%SC was highly effective at all concentrations applied for topical and glass jar methods, while DDVP 50% EC was least toxic for both methods. One way ANOVA...