Ｓｉｎｈａ( 1 985) [1] 将世界主要的储藏物害虫按其经济重要性分成 3类 :第 1类为主要害虫 ,第 2类为次要害虫 ,第 3类对储藏物不造成明显的危害。第 1类中包括鞘翅目 2 7种 ,鳞翅目 9种。鞘翅目的 2 7个种分隶于豆象科 ( 8种 )、扁甲科 ( 3种 )、拟步甲科 ( 4种 )、长角象科 Sinha (1985) [1] classifies the world’s major stored pests as being of economic importance in three categories: category 1 is the major pest, category 2 is the secondary pest, category 3 does not cause significant harm to the store . The first category includes Coleoptera 2 7 species, Lepidoptera 9 species. Coleoptera 2 7 species of seeds belonging to the Department of legumes (8 species), Araceae (3 species), Propagation Division (4 species), Longhorn Division