白菜蝇是大白菜主要害虫之一。在我区为害大白菜的地蛆有两种,即白菜蝇和种蝇,群众均称为地蛆,同属双翅目花蝇科。经观测,白菜蝇为优势种,占多数,种蝇占极少数。现将白菜蝇的发生和防治介绍如下。 Chinese cabbage fly is one of the major pests. There are two kinds of maggots that harm Chinese cabbage in my area, that is, cabbage flies and species flies, and the masses are called maggots. Both belong to the family Diptera, the Muscidae. After observation, cabbage flies as the dominant species, accounting for the majority, a very small number of species of flies. Now the occurrence and prevention of cabbage flies are described below.