扁甲科中的扁谷盗属包括4-5种重要的世界性贮粮害虫,微扁谷盗 Cryptolestespusilloides(Steel & Howe)就是其中之一,其危害性可以排到第三位。该类害虫为第二食性,虫口密度往往甚高,其危害结果又往往导致粮食发热结块而霉变,故从第二次世界大战后越来越引起人们的重视。有的学者认为这类害虫有时则成为最重要的贮粮害虫。 One of them, 4-5 species of world-wide grain pests, including Pinctada pubescens (Steel & Howe), are ranked third in the list. Such pests are the second feeding habits, insect population density is often very high, the result of the harm they often lead to food caking and mildew, so after the Second World War more and more people’s attention. Some scholars believe that such pests sometimes become the most important grain pests.