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当前位置: 首页 > 文章 > 小黑瓢虫过冷却点和结冰点的测定 武夷科学 2011,27 80-84
Position: Home > Articles > Determination of the supercooling point and freezing point of Delphastus catalinae (Horn) (Coleoptera:Coccinellidae) Wuyi Science Journal 2011,27 80-84

小黑瓢虫过冷却点和结冰点的测定

作  者：
阙晓堂;王竹红;黄建
单  位：
福建农林大学植物保护学院
关键词：
小黑瓢虫;过冷却点;结冰点
摘  要：
测定了小黑瓢虫Delphastus catalinae(Horn)各个虫态的过冷却点和结冰点。结果表明,雌雄成虫之间过冷却点差异不大,分别为-12.41和-12.27℃;幼虫和蛹按过冷却点值由高到低依次为3龄幼虫、2龄幼虫、4龄幼虫、1龄幼虫、蛹,分别为-9.78、-9.80、-9.88、-9.97、-10.31℃。小黑瓢虫雌雄成虫之间结冰点差异不大,分别为-8.55和-8.08℃;幼虫和蛹按结冰点由高到低依次为蛹、4龄幼虫、3龄幼虫、2龄幼虫、1龄幼虫,分别为-3.13、-5.48、-5.69、-6.10、-6.99℃。
译  名：
Determination of the supercooling point and freezing point of Delphastus catalinae (Horn) (Coleoptera:Coccinellidae)
作  者：
QUE Xiao-Tang,WANG Zhu-Hong,HUANG Jian(College of Plant Protection,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China)
关键词：
Delphastus catalinae(Horn);supercooling point;freezing point
摘  要：
The supercooling point and freezing point of different stages of Delphastus catalinae(Horn)(Coleoptera: Coccinellidae) were detected.The test results showed that there was not distinct difference between the supercooling point of female and male D.catalinae,with-12.41 and-12.27 ℃ respectively.The supercooling point value of larva and pupa from high to low were the third instar larva,the second instar larva,the fourth instar larva,the first instar larva and pupa in turn,with-9.78,-9.80,-9.88,-9.97 and-10.31 ℃ respectively.There was not distinct difference between the freezing point of female and male D.catalinae,with-8.55 and-8.08 ℃ respectively.The freezing point value of larva and pupa from high to low were pupa,the fourth instar larva,the third instar larva,the second instar larva and the first instar larva in turn,with-3.13,-5.48,-5.69,-6.10 and-6.99 ℃ respectively.

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