Blood Feeding Patterns of Potential Arbovirus Vectors of the Genus Culex Targeting Ectothermic Hosts
Blood Feeding Patterns of Potential Arbovirus Vectors of the Genus Culex Targeting Ectothermic Hosts
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DOI：
10.4269/ajtmh.2008.79.809
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发表时间：
2008-11-01
影响因子：
3.3
通讯作者：
Unnasch, Thomas R.
中科院分区：
文献类型：
--
作者：
Burkett-Cadena, Nathan D.;Graham, Sean P.;Unnasch, Thomas R.
爬行动物和两栖动物构成了陆地生态系统中脊椎动物生物量的重要组成部分，可能是重要的虫媒病毒宿主。为了调查蚊子对体温外寄主的嗜好，根据美国阿拉巴马州塔斯基吉国家森林采集的数据计算了取食指数。四种蚊子以外温寄主为食，库蚊和CX。主要以地外动物为食的领地。这两个物种似乎以不同的物种为目标，在寄主选择上几乎没有重叠。库蚊在温带动物中的取食方式是多面手，而Cx。领土似乎是一种更专门的喂食者。以CX为食的11种外温性动物中的6种。领土比基于丰饶而预测的更频繁地被吸食。与其他寄主物种相比，CX寄主高度喜好春季夜蛾。领地。从每个寄主物种身上采集的血液食物在时间上是不同的，一些寄主在整个季节相当均匀地成为目标，另一些在季节性高峰期被取食。
Reptiles and amphibians constitute a significant portion of vertebrate biomass in terrestrial ecosystems and may be important arbovirus reservoirs. To investigate mosquito preference for ectothermic hosts, feeding indices were calculated from data collected in Tuskegee National Forest, Alabama, USA. Four mosquito species fed upon ectothermic hosts, with Culex peccator and Cx. territans feeding primarily upon ectotherms. These two species appeared to target distinct species with little overlap in host choice. Culex peccator was a generalist in its feeding patterns within ectotherms, and Cx. territans appeared to be a more specialized feeder. Six of eleven ectotherm species fed upon Cx. territans were fed upon more often than predicted based upon abundance. Spring peepers were highly preferred over other host species by Cx. territans. Blood meals taken from each host species varied temporally, with some hosts being targeted fairly evenly throughout the season and others being fed upon in seasonal peaks.