Toxicity of Bacillus thuringiensis subsp. israelensis to adult Aedes aegypti mosquitoes.
Toxicity of Bacillus thuringiensis subsp. israelensis to adult Aedes aegypti mosquitoes.
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苏云金芽孢杆菌亚种的毒性。
DOI：
10.1128/aem.46.2.312-315.1983
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发表时间：
1983
影响因子：
4.4
通讯作者：
BullaJr,LA
中科院分区：
文献类型：
--
作者：
Klowden,MJ;Held,GA;BullaJr,LA
用苏云金杆菌埃及伊蚊亚种的伴孢晶体杀死埃及伊蚊成虫。当将晶体作为灌肠剂引入昆虫中肠时，完整伴孢晶体的50%致死剂量为0.21微克/毫克蚊子（湿重），溶解晶体的50%致死剂量为0.04微克/毫克。这些值进行了比较，在自由饲养的幼虫蚊子生物测定的50%致死浓度为0.018和1.28微克/毫升的完整和溶解的晶体，分别。来自B的准备。苏云金kurstaki对成蚊和幼蚊均无效。建议将成蚊生物测定作为筛选潜在蚊虫控制剂的直接手段。
Adult female Aedes aegypti mosquitoes were killed by the parasporal crystals of Bacillus thuringiensis subsp. israelensis (ONR-60A) when the crystals were introduced into the insect midgut as an enema. The 50% lethal dose for intact parasporal crystals was 0.21 microgram/mg of mosquito (wet weight), and for solubilized crystals the 50% lethal dose was 0.04 microgram/mg. These values were compared with 50% lethal concentrations in a free-feeding larval mosquito bioassay of 0.018 and 1.28 microgram/ml for intact and solubilized crystals, respectively. Preparations from B. thuringiensis subsp. kurstaki were ineffective against both adult and larval mosquitoes. An adult mosquito bioassay is suggested as a direct means of screening potential mosquito control agents.