梨木虱若虫空间分布型初报

Spatial Distribution Pattern of Nymph of Psylla pyrisuga Forster

梨木虱是河套地区影响苹果梨品质和产量的主要害虫 ,由于个体小 ,世代重叠严重 ,造成观察研究困难。为了提高研究的准确性和合理利用人工 ,必须调查其分布型 ,合理确定抽样数量 。

Psylla pyrisuga Forster is the main injurious insect impacting quality and output of applepear in Hetao Area. It is because of its small size and serious overlapping of generation that makes observation difficult. In order to improve the accuracy of research and utilize manpower rationally, the spatial distribution pattern must be investigated, and sampling quantity must be determined rationally, which is favorable to the research on population feature of Psylla pyrisuga Forster.