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小菜蛾属菜蛾属鳞翅目菜蛾科,是甘蓝上的重要害虫。小菜蛾食性专一,以十字花科蔬菜为主,特别喜食甘蓝、大白菜,在屯留县属常发性和大发生性害虫。1发生规律为了摸清小菜蛾在屯留县的发生规律,2009年我们采用小菜蛾性诱剂进行成虫诱集,通过连续的诱蛾观测,确认小菜蛾在我们当地一年发生5~6代,并且世代交替重叠,幼虫周年均在十字花科蔬菜上发生和为害。
Plutella xylostella is a member of the family Lepidoptera, an important pest on cabbage. Plutella xylostella diet specific to cruciferous vegetables, especially like to eat cabbage, cabbage, in Tunliu County is a common and large occurrence of pests. 1 regularity in order to find out the occurrence of diamondback moth in Tunliu County, we use the sex worker Plutella xylostella in 2009 to trap adults, through the continuous observation of the moths to confirm the diamondback moth in our local occurrence of 5-6 generations , And the generations alternately overlapped, and the annual larvae occurred on cruciferous vegetables and harmed.