摘要
锯纹小叶蝉(Togaritattix serratus Matsumurs)是为害刺梨的重要害虫,在贵阳花溪一年发生四代。各代成虫高峰期分别为5月中、下旬,6月下旬至7月上旬,8月中、下旬,9月下旬至10月上旬;各代若虫高峰期分别为4月下旬至5月上旬,6月上、中旬,7月下旬至8月上旬,9月中、下旬。该虫以卵在杂草上越冬;成虫产卵前期最长7天;最短4天;产卵量最多20粒,最少5粒;成虫寿命最长67天,最短24天,若虫历期最长18天,最短12天;卵历期最长18天,最短11天。天敌主要为角园蛛等蜘蛛。一般施用常用农药均具较理想的防治效果。
The leaf hopper (Togaritattix serratus Matsumurs), an important pest insect to damage cili, occurs 4 generations a year in Huaxi of Guiyang. The peak period of each generation of adult apparance is in second and last ten days of May, last ten days of June to first ten days of July, last ten days of September to first ten days of October respectively. The peak period of generation of nympha appearance is during last ten days of April to first ten day of May, first and second ten days of June, last ten days of July to first-ten days of August second and last ten days of September respectively. The insect overwinters on wees as egg, the longest early ovipositing period is 7 days and the shortest is 4 days, the most oviposition quantity is 20 and the least is 5 , the longest adult longevity is 67 days and the shortest is 24 days, the longest duration of nymphal stage is 18 days and the shortest is 13 days, the longest duration of egg stage is 18 days and the shortest is 11 days. It's main natural enemies are Araneidae cor nut a Clerck et al spiders. A good result may be achieved by treated with common pestcides.
出处
《贵州农业科学》
CAS
1989年第2期13-16,共4页
Guizhou Agricultural Sciences
