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首页> 外文期刊>Journal of Parasitology >ACTIVITY PERIODS AND QUESTING BEHAVIOR OF THE SEABIRD TICK IXODES URIAE (ACARI: IXODIDAE) ON GULL ISLAND, NEWFOUNDLAND: THE ROLE OF PUFFIN CHICKS
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ACTIVITY PERIODS AND QUESTING BEHAVIOR OF THE SEABIRD TICK IXODES URIAE (ACARI: IXODIDAE) ON GULL ISLAND, NEWFOUNDLAND: THE ROLE OF PUFFIN CHICKS

机译：纽芬兰省海鸥岛上的海T虱IXODES URIAE（ACARI：IXODIDAE）的活动期和询问行为：Puffin小鸡的作用

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摘要

Questing behavior of Ixodes uriae and their associated seasonal, host-feeding patterns are crucial to our understanding of tick life history strategies and the ecology of diseases that they transmit. Consequently, we quantified questing behavior of nymphs and adult female I. uriae ticks at Gull Island, a seabird colony in Newfoundland, Canada, to examine seasonal variation of off-host and on-host tick activity. We sampled a total of 133 adult Atlantic puffins (Fratercula arctica), 152 puffin chicks, and 145 herring gull (Larus argentatus) chicks for ticks during the breeding seasons of 2004 and 2005. Questing ticks were sampled by dragging a white flannel cloth across the grassy breeding areas during the mo of May, June, July, and August. Nymph questing activity reached a peak during mid-July (79 and 110 individuals/hr in 2004 and 2005, respectively). The prevalence of nymphs and adult female ticks on different seabird hosts varied between years and during the seasons. Puffin chicks had the highest prevalence (above 70% in July) of nymphs in both years and this was correlated with questing activity. Female ticks rarely fed on puffin chicks, but were prevalent on adult puffins and gulls, although prevalence and questing of ticks were not correlated in these hosts. These patterns of off-host and on-host tick activity suggests that I. uriae ticks likely use a combination of questing and passive waiting, e.g., in puffin burrows, to detect hosts, depending on the tick stage and the host species.
机译：尿I的行为及其相关的季节性，寄主喂养方式对于我们了解understanding生活史策略及其传播的疾病生态至关重要。因此，我们量化了在加拿大纽芬兰的海鸟殖民地鸥岛的若虫和成年雌性尿I的追捕行为，以研究离岸和在岸tick活动的季节性变化。在2004年和2005年的繁殖季节，我们对总共133只成年大西洋海雀（Fratercula arctica），152只海鹦小鸡和145鲱鸥（Larus argentatus）小鸡进行了抽检。五月，六月，七月和八月的月末为草木繁育区。若虫的搜寻活动在7月中旬达到高峰（2004和2005年分别为79和110个人/小时）。在不同的海鸟寄主中，若虫和成年雌性s的流行程度随年份和季节而变化。海鹦雏鸡的若虫流行率最高（7月超过70％），这与寻觅活动相关。雌性壁虱很少以海雀雏鸡为食，但在成年海雀和海鸥中却很普遍，尽管这些宿主中壁虱的患病率和觅食率无关。这些脱离宿主和在宿主上的activity活动的模式表明，根据the的阶段和宿主种类，尿道壁虱可能会结合使用探寻和被动等待（例如在海雀洞穴中）来检测宿主。

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