黄条跳(虫甲),俗称狗虱虫,是危害蔬菜叶菜类的主要害虫。它的成虫产卵期相当长(达1～1.5个月),形成了生活史不整齐、世代重叠,我国南方常年都有发生,它的发生量与其严重性都直接与气候因子、虫源基数、环境影响,以及人为的因素等方面有关连,具体原因是:1、气候因子。黄条跳(虫甲)喜欢阴凉、高湿的气候环境,特别是卵孵化在高湿条件下最易出现大发生。笔者在1981年调查,5月份的多雨、高湿、晚上凉的情况下,每亩有成虫量比在6月中、下旬高温干旱天气增多9倍,8月下旬为高湿、晚上凉的天气比8月上、中旬的高温干旱 Yellow stripes (pest), commonly known as dog lice, is a major pest that endangers leaf vegetables in vegetables. Its adult spawning period is very long (up to 1 to 1.5 months), forming a life history of irregular, overlapping generations, perennial occur in southern China, its occurrence and severity are directly related to climate factors, insect base , Environmental impact, as well as human factors such as related aspects, the specific reasons are: 1, climate factors. Yellow stripes (pest) like a cool, humid climate, especially in the egg hatching in the most prone to occur under high humidity conditions. The author in 1981 survey, May rainy, humid, cool at night, the amount of adults per acre than in mid-June, late 9 days increased by 9 times the temperature and humidity in late August for the high humidity, cool weather at night Than August, mid-high temperature and drought