两种梨茎蜂形态和生物学特性比较研究

A Comparative Investigation on the Morphology and Bionomics of Two Species of Pear Twig Girdlers

对梨茎蜂和葛氏梨茎蜂的雌雄形态和生活习性分别进行了比较描述,以澄清许多资料中记载上混淆的问题。对两个种在河北省梨区的分布做了调查,并提出了切实可行的防治意见。

The comparative morphological description of male and female adults and population dynamics of two species of pear twig girdlers, Janus piri and J.gassakovskii was given in this paper,in order to clear ursome confusions in past references.The distribution of this two species in pear district of Hebei province and the effective control method were also proposed.