]*>","")" /> Preliminary Studies on Vraieties of Natural Enemies and Predatory Effect of Stethorus punctillum Weise in Corn Field in Xinjiang
Xinjiang Agricultural Sciences

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Preliminary Studies on Vraieties of Natural Enemies and Predatory Effect of Stethorus punctillum Weise in Corn Field in Xinjiang

  • Received:2003-02-25 Revised:2003-02-25 Online:2003-02-25 Published:2003-02-25

新疆玉米害螨天敌种类及其优势种天敌控害效应研究

郭文超;吐尔逊;许建军;何江;鲁素玲   

  1. 新疆农科院植保所,新疆乌鲁木齐,830000;石河子大学农学院,新疆石河子,832000





摘要： 广泛调查新疆主要玉米产区,采集标本,鉴定出新疆玉米害螨的天敌有2纲12科28种.其中深点食螨瓢(Stethorus punctillum Weise)为优势种天敌,经室内对深点食螨瓢捕食新疆玉米叶螨优势种截形叶螨(Tetranychus truncates Ehara)的功能反应研究,成虫和幼虫均有较强的捕食能力,其中深点食螨瓢成虫对截形叶螨卵、若螨和成螨捕食量分别为:41.58、36.27和28.25头,其功能反应符合HollingⅡ.