The results indicated that the species composition and the diversity degree of Lepidoptera, Orthoptera, Hymenoptera insects and spiders were influenced by Dimilin after its application.

• 由于它具有专一性强的特点，在当前林业生产中，已逐渐成了控制马尾松林内马尾松毛虫种群的有效药剂之一。