摘要
腰果角盲蝽(Helopeltis sp.)为我国腰果树的新害虫,在海南岛严重为害腰果树嫩梢、花枝、嫩叶、幼坚果及果梨。据1982年调查,坚果被害率最高可达100％,其中被害至干枯的达7％。腰果角盲蝽广布于海南岛,除为害腰果树外还为害可可、胡椒、芒果、番石榴、茶树等多种经济作物。此虫年发生12代,一代需16—80天。建议对腰果植株进行合理修枝、及时除去带卵枝条及在梢期、花期和座果期各喷药一次对其进行防治。
The mosquito bug Helpeltis sp.is a newly recorded pest of cashew in-China.Both the adult and the nymph cause severe damage to the tender shoots,young leaves,.flowering branches,immature nuts and apples of cashew plants in Hainan Island and,the maximal damage may extend to 100% of the nuts.It is widely distributed in the island and also mars cocoa,tea,pepper,guaya soursop,mango and rose apple.It was observed that in Babdao.Xineun the bug occurred twelve generations a year.The morphology of different developmental stages,its life cycle and behaviour are described and experiments of chemical control were conducted in the laboratory.For the control measures recommendation is made with proper pruning,removal of egg-bearing branches and spraying DDVP (1:2500 dilution solution) at the emergence of new shoots and panicles,and at fruit setting-
出处
《昆虫学报》
CAS
CSCD
北大核心
1991年第1期60-67,共8页
Acta Entomologica Sinica
关键词
腰果角盲蝽
生物学
防治
cashew mosquito bug----bionomics----control measure
