Camparing corrugated paper trapping with sample sieving,Cryptolestes ferrugineus and Tribolium castaneum are monitored earlier and more than that by the former method,but Rhizopertha dominica was checked about 4 weeks later than by the latter.

 
  • 瓦楞紙板誘捕銹赤扁谷盜和赤擬谷盜較取樣篩檢法所得時(shí)間早、數量多,但在檢測到谷蠹的時(shí)間上要比取樣篩檢晚4周的時(shí)間。
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