Summary Insect screens are often used in tobacco facilities to exclude insect pests. Previous studies using laboratory cultures indicated that with openings smaller than 1.0 mm adequate prevent the passage of cigarette beetle, Lasioderma serricorne . The beetles from natural populations rather heterogeneous, and their body sizes may vary. Studies were conducted confirm relationship between mesh...

Colorado Potato Beetle, Leptinotarsa decemlineata (Say) is a serious pest of potato plants and devastates additional crops such as eggplant, tomato, pepper, and tobacco by its voracious feeding. Plants of the Lamiaceae family produce a large number of polyphenols with insecticidal activity. In this study we tried to identify if some of these compounds could be used as antifeedants and if there ...

abstract due to economical importance of stored product pests and resistance to conventional insecticides, it is necessary to use novel and suitable compounds in control programs. therefore, we evaluated the toxicity of spinosad to three important storage insect, red flour beetle, tribolium castaneum (herbst), rice weevil, sitophilus oryzae (l.), sawtoothed grain beetle oryzaephilus surinamensi...