Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae), the red flour beetle, is a common cosmopolitan pest exploiting a variety of stored products. We experimentally manipulated diet nutritional quality by using non-nutritive filler to examine how this influenced pheromone production and olfactory attractiveness of T. castaneum adult males. Volatiles released by individual males reared on hi...

Adults of Tribolium castaneum (Herbst), the red flour beetle, and Tribolium confusum (du Val), the confused flour beetle, were exposed to kaolinite-based particle film dusts. When beetles were continuously exposed to the hydrophobic particle film M-96-018 at the rate of 0.1–0.5mg/cm, all the T. castaneum at 0.1mg/cm were dead after 3 days, but 40713.8% of the exposed T. confusum were still aliv...

Humans and animals come into contact with various compounds in their natural environment. Most of the encountered substances are neutral, yet some may carry adverse health effects. The ingested food may be a source of harmful substances, including benzoquinones which, as shown by research results cited in this paper, demonstrate toxic, carcinogenic and enterotoxic activity. This group of compou...

This study was conducted to characterize farmers' post-harvest conservation practices and identify the different storage structures, main pests of cereals in stock, as well mode application insecticides protect seeds against infestations. To these practices, we have prepared a questionnaire answering characteristics population three provinces. The grain structures our region vary depending on l...

This study determined the efficacy of Beauveria bassiana (Balsamo-Crivelli) Vuillemin (Hypocreales: Cordycipitaceae) alone or combined with diatomaceous earth DEA (a mixture DE + abamectin) against adults and larvae Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). was evaluated at 50 ppm while fungi 1.6 × 105, 106, 107 conidia/kg wheat). Mortalities were assessed after 7 14 days exposu...

Malathion resistance in the red ßour beetle, Tribolium castaneum (Herbst), is a worldwide problem and is very stable once it becomes widespread in natural populations. In the absence of insecticide the proportion of resistant phenotypes may rapidly decline but the development of resistance does not always involve reduced Þtness. Malathion-speciÞc resistance in T. castaneum seemsnot to involve a...

„ Toxic and repellent properties of whole essential oils from four Eupatorium (Asteraceae) species (E. buniifolium Hook. et Arn, E. inulaefolium Kunth, E. arnottii Baker, and E. viscidum Hook. & Arn) were investigated in different concentrations toward Tribolium castaneum Herbst adults. The essential oils were isolated by hydrodistillation techniques from the aerial parts. The analysis was perf...

Tribolium castaneum (Herbst) is a cosmopolitan pest of stored products, grain processing, and foodwarehouses. This studywas initiated tomore fully characterize the role of structure, sanitation, and trap location on capture of T. castaneum in pheromone-baited pitfall traps commonly used in insect monitoring programs. Food patches, spatial structure, and trap position were manipulated in pilot s...