林木种子的害虫很多,而在防治上较为困难的虫种,要首推种子小蜂,这类害虫体积小,整个幼虫期和蛹期都在种内生活,种皮是保护它们生长发育的天然屏障。在危害初期极不容易发现它们,一旦成灾便很难控制。这类小蜂属膜翅目广肩小蜂科和长尾小 There are many pests in tree seeds, but in the prevention and treatment of more difficult insects, we must devaluate the seeds of small bee, these pests are small, throughout the larval and pupal stages are in the species life, the seed coat is to protect their natural growth and development barrier. In the early stages of harm is extremely difficult to find them, once the disaster will be difficult to control. Hymenoptera such Hymenoptera Hymenoptera and long tail small