| 2种梨茎蜂初步观察 |
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| 引用本文： | 李永刚.2种梨茎蜂初步观察[J].甘肃林业科技,2009,34(3):43-45. |
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| 作者姓名： | 李永刚 |
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| 作者单位： | 天水市秦州区森林病虫害防治检疫站,甘肃,天水,741000 |
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| 基金项目： | 天水市秦州区2007年科技计划项目"梨茎蜂生物学特性观察及防治示范" |
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| 摘 要： | 梨茎蜂是发生在甘肃天水梨树上的主要害虫之一，近年在天水各梨产区严重发生。目前在天水市为害梨树的茎蜂虫种有古氏简脉茎蜂和梨筒脉茎蜂2种。古氏简脉茎蜂在天水1年1代，以老熟幼虫在当年生被害枝内做茧越冬；梨简脉茎蜂在天水2年1代，以老熟幼虫在2年生或多年生被害枝内结茧越冬。幼虫期防治主要采用人工防治与生物防治相结合方法，成虫期则在羽化盛期施药防治。
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| 关 键 词： | 古氏简脉茎蜂 梨简脉茎蜂 生物学特性 防治 |
Preliminary Observation on Janus gussakovskii and Janus piri |
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| LI Yong-gang.Preliminary Observation on Janus gussakovskii and Janus piri[J].Journal of Gansu Forestry Science and Technology,2009,34(3):43-45. |
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| Authors: | LI Yong-gang |
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| Institution: | LI Yong-gang(Forest Pests and Disease Management and Quarantine Station of Qingzhou in Tianshui City,Tianshui Gansu 741000,China) |
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| Abstract: | Janus spp.is one of the main pest in Tianshui of Gansu, it occurs seriously in pear orchards of Tianshui in recent years.At present there are 2 species of pest damage to pear trees including Janus gussakovskii and J.piri in Tianshui city.Janus gussakovskii has 1 generation in each year and overwinters as mature larvae inside cocoon;J.piri has 1 generation in two years, and overwinters as mature larvae inside cocoon.A combined method of artificial control and biological control is mainly adopted in larval st... |
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| Keywords: | Janus gussakovskii Janus piri biological characteristics control |
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