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首页> 外文期刊>Journal of Medical Entomology >Culicoides (Diptera: Ceratopogonidae) Communities Differ Between a Game Preserve and Nearby Natural Areas in Northern Florida
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Culicoides (Diptera: Ceratopogonidae) Communities Differ Between a Game Preserve and Nearby Natural Areas in Northern Florida

机译：辣椒（Diptera：Ceratopogonidae）社区在佛罗里达州北部的游戏保护和附近的自然区域之间不同

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摘要

Culicoides Latreille biting midges are small hematophagous flies that feed on a variety of vertebrate animals. White-tailed deer (Odocoileus virginianus), a farmed species in the United States, can occur at high densities on farms. This elevated density of available hosts may result in greater abundance of midges and greater potential for disease transmission on farms than natural ecosystems. This research aimed to determine whether Culicoides abundance varied between a game preserve in Gadsden County, Florida, a site bordering the preserve ('adjacent'), a site 3.5 km away ('moderate'), and a site 13 km away ('distant'). CDC light traps were set one night per week at the preserve, adjacent site, and moderate site in 2016 and at all four sites in 2017. Total abundance was greatest at the preserve and second greatest at the adjacent site both years. Average abundance of female Culicoides stellifer (Coquillett) was an order of magnitude greater on the preserve ((x) over bar = 24.59 in 2016, 17.95 in 2017) than at any other site ((x) over bar 1.68 in 2016,(x) over bar <= 1.03 in 2017), whereas the greatest average abundance of Culicoides venustus Hoffman was found at the adjacent site ((x) over bar = 5.15 in 2016,(x) over bar = 1.92 in 2017). Distance from the preserve significantly affected overall average abundance for both species (P < 0.001), although pairwise significance varied. Species diversity was lowest on the preserve and highest at the moderate site both years. These data suggest that high densities of animals may increase transmission potential on high fence preserves and in adjacent areas by contributing to high densities of vector species.
机译：库蠓是以多种脊椎动物为食的小型噬血蝇。白尾鹿（Odocoileus virginianus）是美国的一种养殖物种，在农场上可以高密度出现。与自然生态系统相比，这种可用宿主密度的增加可能会导致更多的蠓虫和更大的疾病在农场传播的可能性。这项研究的目的是确定库蠓的数量是否在佛罗里达州加兹登县的一个狩猎保护区、与保护区接壤的一个地点（“相邻的”）、3.5公里外的一个地点（“中等”）和13公里外的一个地点（“遥远的”）之间存在差异。2016年，CDC每周在保护区、相邻场地和中等场地设置一个晚上的光阱，2017年在所有四个场地设置。两年来，保护区的总丰度最大，相邻地点的总丰度次之。在保护区内，雌性库蚊（Coquillett）的平均丰度（2016年超过bar=24.59，2017年为17.95）比任何其他地点的平均丰度（2016年超过bar=1.68，2017年超过bar<1.03），而库蚊的最大平均丰度（2016年超过bar=5.15，2017年超过bar=1.92）。距离保护区的距离显著影响这两个物种的总体平均丰度（P<0.001），尽管两两显著性不同。两年来，保护区物种多样性最低，中度保护区物种多样性最高。这些数据表明，高密度的动物可能会增加高围栏保护区和邻近地区的传播潜力，从而导致媒介物种的高密度。

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