中国梨木虱

在对浙江东部沿海地区梨园中国梨木虱（PsyllachinensisYangetLi）调查分析的基础上，研究了中国梨木虱在梨树上的序贯抽样技术。

On the basis of the investigation on pear psylla ( Psylla chinensis Yang et Li ) in orchards of the eastern coastal region of Zhejiang province , sequential sampling technique of pear psylla was studied .

中国梨木虱在梨树上的序贯抽样技术研究

Study on the sequential sampling technique of pear psylla ( Psylla chinensis Yang et Li ) on the pear

本文研究了中国梨木虱PsyllachinensisYangetLi若虫期的排蜜规律及蜜露中氨基酸成分。

The honeydew excretion and amino acids in the honeydew from the nymph of pear psylla ( Psylla chinensis Yang et Li ) were studied .

中国梨木虱若虫空间分布及取样技术

Space distribution pattern and the sampling technique of Psylla chinensis

中国梨木虱生物学特性的研究

Studies on the Biological Characters of the Chinese Pear Sucker , Psylla chinesis

中国梨木虱若虫外部形态特征的研究

Studies on the external morphological characters of Psylla chinesis Yang et Li nymphs

1993～1994年在莱阳梨区对第一、二世代中国梨木虱自然种群的生命表进行了研究，并对影响种群数量变动的因子作了探讨。

In 1993 ~ 1994 Systematic observations on 1st and 2nd generations of Psylla chinensis Yang were carried out in Laiyang , the natural population life table were established .