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(一)发生与为害荔枝蒂蛀虫(Conpomorpha Sineneis Brad-ley)以前误称为爻纹细蛾,是荔枝重要害虫之一,其幼虫为害果实、花穗、嫩梢和嫩叶,蛀食果蒂和种仁,粪便留于果内,造成落果和降低果实品质。80年代以来,荔枝被害严重,一般被害率为20—40%,高的达90以%上;如1983—1385年中山市荔枝被害率高达90以上;1987—1989年广州市萝岗荔枝被害率达50—70%;1989年茂名市一些荔枝因被害严重而不能出口。所以,防治荔枝蒂蛀虫是当前荔枝生产上急需解决的问题。荔枝蒂蛀虫在华南地区年发生11个叠置世代,从4月至8月荔枝结果成熟季节,每一世代历期约20—25天,其中成虫产卵前期4天,卵期
(A) the occurrence and damage Lychee moth (Conpomorpha Sineneis Brad-ley) formerly referred to as moth, is one of the litchi pests, the larvae damage fruit, flower spike, tender shoots and young leaves, And seed kernels, feces left in the fruit, resulting in falling fruit and reduce fruit quality. Since the 1980s, litchi was severely victimized, the general damage rate was 20-40%, high up to 90%; such as 1983-1855 Zhongshan lychee rate was as high as 90 or more; 1987-1989 Luogang lyophilized Guangzhou City, the rate of Up to 50-70%. In 1989, some lychees in Maoming City were not exported due to serious victimization. Therefore, the prevention and treatment of litchi pedicle borer litchi production is urgently needed to solve the problem. Lychee bumblebee occurs in South China over 11 superposition generations, from April to August mature season of litchi results, each generation of about 20-25 days, of which 4 days pre-ovulation adult, egg stage