Frankliniella occidentalis (Pergande) and Liriomyza trifolii Burgess are thedevastating phytosanitary pests to a variety of hosts and widely distributed.

• 西花蓟马Frankliniella occidentalis (Pergande)和三叶草斑潜蝇Liriomyzatrifolii Burgess寄主种类多,分布范围广,都是重要的危险性有害生物。