Seasonality, prevalence and pathogenicity of the gregarine Ascogregarina taiwanensis (Apicomplexa: Lecudinidae) in mosquitoes from Florida.
Seasonality, prevalence and pathogenicity of the gregarine Ascogregarina taiwanensis (Apicomplexa: Lecudinidae) in mosquitoes from Florida.
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佛罗里达州蚊子中 Ascogregarina taiwanensis（顶端复门：Lecudinidae）的季节性、流行率和致病性。
DOI：
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发表时间：
1994
影响因子：
1
通讯作者：
J. Becnel
中科院分区：
文献类型：
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作者：
J. García;T. Fukuda;J. Becnel
在佛罗里达州盖恩斯维尔收集的白纹伊蚊幼虫感染了台湾产的子囊菌。自然患病率从68%到100%不等。在实验室中测试了八种蚊子对A. taiwanensis分离自野外采集的Ae.白纹伊蚊埃及伊蚊、白纹伊蚊和带喙伊蚊在幼虫期感染率为100%，而三列伊蚊不太敏感;致倦库蚊、黑须库蚊、领土库蚊和四斑按蚊不敏感。活菌A.从Ae.带喙山羊（30%）和山羊（30%）。白纹伊蚊（100%）;在其他暴露宿主中未产生卵囊。死亡率由A.台湾伊蚊感染率较低，但Ae.带喙龙我们的结论是A. taiwanensis对佛罗里达3种最常见的容器栖息蚊子的死亡率几乎没有短期影响;然而，对总体宿主种群调节的长期影响尚未确定。
Aedes albopictus larvae collected in Gainesville, FL, were infected with the gregarine Ascogregarina taiwanensis. Natural prevalence varied from 68 to 100%. Eight mosquito species were tested in the laboratory for susceptibility to A. taiwanensis isolated from field-collected Ae. albopictus. Aedes aegypti, Aedes albopictus, and Aedes taeniorhynchus became 100% infected in the larval stage, whereas Aedes triseriatus was less susceptible; Culex quinquefasciatus, Culex nigripalpus, Culex territans, and Anopheles quadrimaculatus were not susceptible. Viable A. taiwanensis oocysts from adults were recovered from Ae. taeniorhynchus (30%) and Ae. albopictus (100%); no oocysts were produced in the other exposed hosts. Mortality induced by A. taiwanensis infection was low in all mosquitoes except Ae. taeniorhynchus. We conclude that A. taiwanensis has little short-term impact on the mortality of the 3 most common container-inhabiting mosquito species in Florida; however, the long-term impact on overall host population regulation has yet to be determined.