棉尖象在阳谷县棉田大发生棉尖象又名棉象鼻虫、棉小灰象。过去在我县一直属次要害虫，一般棉田百株有虫５～２０头左右。１９９４年此虫在我县棉田大发生。７月份调查，一般棉田百株有虫５００～８００头，高的达１３００多头。由于防治不力，使棉花减产约３％，高的达５... Cotton spiked cotton spikes in Yanggu County Cotton spike, also known as cotton weevil, cotton gray like. In the past in my county has been a secondary pest, the general cotton plant 100 insects 5 to 20 or so. In 1994, this insect occurred in cotton field in our county. July survey, the general cotton plant 100 insects 500 to 800, up to more than 1,300 heads. Due to poor control, so that cotton production reduced by about 3%, up to 5 ...