桑螟
- 网络Diaphania pyloalis;mulberry pyralid;diaphania pyloalis walker;Diaphaniapyloalis
桑螟-
本文运用NTC-TD热敏电阻法测定了桑螟越冬幼虫的过冷却点、冰点。
NTC-TD heat-sensitive resistance is used to measure the super cooling-point ( SCP ) and freezing point of over-wintering larvae of Diaphania pyloalis ;
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桑螟化学防治策略研究
Studies on Chemical Control of Mulberry Pyralid
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天敌昆虫的平均寄生率在40%左右，且大部分寄生于低龄幼虫，对控制桑螟的发生与危害具有明显的作用。
The average natural parasitism is about 40 % , and most of the natural enemy parasite in low age larvae .
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蚕种场桑螟防治策略为：主要做好越冬代桑螟防治和清理工作。
The most importance of control mulberry pyralid in silkworm egg producing farms was to control and clear the over winter generation .