论文部分内容阅读
花蕾蛆是本地柑桔产区的主要害虫之一,属双翅目,瘿纹科。此虫在广东、广西、湖南、湖北等十多个省均有发生危害。危害时以蛆蛀食花蕾,使其形成青绿色,不能开放结果的畸形“灯笼花”。在我区,花蕾被害率一般为30～40％.重者达80%以上。据最近4年调查发现,花蕾蛆在我区近年来的发生发展规律较之60～70年代有显著变化。现将观察结果分述如下:
Bud maggot is one of the main pests in the local citrus producing area, belonging to Diptera and Tephritidae. The insects in Guangdong, Guangxi, Hunan, Hubei and other provinces have more than 10 hazards. Hazard to maggots eat buds, making it the formation of turquoise, can not open the result of deformity “lantern flower.” In our district, the rate of flower buds is generally 30 ~ 40%, of which more than 80%. According to the survey in the recent 4 years, the occurrence and development of bud maggot in our district in recent years have been significantly changed compared with the 1960s and 1970s. Now the observations are as follows: