论文部分内容阅读
本文报道了花椒潜跳甲 Podagricomela shirahatai(Chuj)在甘肃舟曲１年发生 ２代，以成虫港入树干基部３～５ｃｍ土层内或砂石缝中越冬，越冬成虫春季出土上树时是防治关键时期，成虫产卵前用５０％增效辛硫磷乳油和４０％氧乐果乳油１２００～１５００倍稀释液在成虫期和幼虫期喷洒叶面，杀虫率在９０％～９８．２％。不发生药害，效果显著。
This paper reports that Podagricomela shirahatai (Chuj) occurs two generations in Zhouqu, Gansu Province in the first year. It takes adults to winter in the soil layer of 3 ~ 5cm in the trunk of the tree or sand gravel. During the critical period, the adults sprayed the foliar surfaces with 50% synergistic phoxim EC and 40% omethoate 1200 ~ 1500 times dilutions in the adult and larval stages before spawning. The insecticidal rate ranged from 90% to 98.2% . Does not happen phytotoxicity, the effect is remarkable.