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首页> 外文期刊>Journal of Parasitology >First records of rodent-infesting Cuterebra bot flies parasitizing raccoons (Procyon lotor) in North America
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First records of rodent-infesting Cuterebra bot flies parasitizing raccoons (Procyon lotor) in North America

机译：啮齿动物出没的Cuterebra机器人的首次记录是在北美寄生寄生浣熊（Procyon lotor）

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摘要

Larvae of Cuterebra spp. bot flies are specialized parasites of native species of either Rodentia (e.g., mice, rats, and tree squirrels) or Lagomorpha (e.g., rabbits and hares) in the Americas. However, they also infest other native and introduced wildlife, domestic animals, and humans, but which Cuterebra species parasitize these "atypical" hosts has seldom been determined, largely because the larvae are difficult to identify to species without first rearing them to adults. Here, we describe 2 Cuterebra spp. larvae removed from raccoons, Procyon lotor (Carnivora), in Washington (WA larva) and Florida (FL larva). These specimens belong to rodent-infesting species, which possess flattened, multipoint cuticular platelets in contrast to the typically single-pointed, spinelike platelets of lagomorph-infesting species. Based on the number and shape of points on these platelets, and the infestation dates and locations, we tentatively identify the species involved as Cuterebra grisea (WA larva) and C. fontinella (FL larva), which typically parasitize Peromyscus spp. mice. Uncertainty about these species' assignments arises from a lack of information on intraspecific variation in larval characteristics and the apparent lack of larval descriptions for 2 of the 7 Cuterebra species most likely to have parasitized these animals. This report seems to be the first published documentation of raccoons infested by larvae of Cuterebra spp. for the west and Gulf coasts of North America, and of rodent-infesting Cuterebra species parasitizing a species of carnivore.
机译：Cuterebra spp的幼虫。僵尸蝇是美洲的啮齿类动物（例如，老鼠，大鼠和树松鼠）或兔形目（例如，兔子和野兔）的天然物种的专门寄生虫。但是，它们也侵扰其他本地和引进的野生动植物，家畜和人类，但是很少确定Cuterebra物种寄生了这些“非典型”宿主，这主要是因为，如果不先将其幼体饲养到成年后，就很难对其进行鉴定。在这里，我们描述2个Cuterebra spp。从华盛顿，华盛顿州幼虫和佛罗里达州幼虫的浣熊，食蟹（Carnivora）中除去幼虫。这些标本属于啮齿类动物，具有扁平的多点表皮血小板，与通常的单点，脊柱状的兔类昆虫物种相反。根据这些血小板上点的数量和形状，以及侵染的日期和位置，我们初步确定涉及的稻瘟病菌（Cuterebra grisea（WA幼虫）和C. fontinella（FL幼虫）），这些寄生虫通常寄生于Peromyscus spp。老鼠。这些物种分配的不确定性是由于缺乏关于幼虫特性的种内变异的信息以及明显缺乏最有可能寄生于这些动物的7种Cuterebra物种中的2种的幼虫描述所致。该报告似乎是Cuterebra spp幼虫感染的浣熊的第一个公开文献。北美的西部和墨西哥湾沿岸，以及大量啮齿类动物科特雷伯拉（Cuterebra）寄生了食肉动物。

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