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首页> 外文期刊>Journal of Parasitology >PARASITISM OF GROUND BEETLES (COLEOPTERA: CARABIDAE) BY A NEW SPECIES OF HAIRWORM (NEMATOMORPHA: GORDIIDA) IN ARCTIC CANADA
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PARASITISM OF GROUND BEETLES (COLEOPTERA: CARABIDAE) BY A NEW SPECIES OF HAIRWORM (NEMATOMORPHA: GORDIIDA) IN ARCTIC CANADA

机译：北极加拿大一种新的海WO（线虫：线虫）对甲虫（甲壳虫：甲壳纲）的寄生性

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摘要

The host-parasite associations between ground beetles (Coleoptera: Carabidae) and hairworms (Nematomorpha: Gordiida) collected from the Arctic (an understudied and ecologically important region) is described. Carabids and their parasites were collected from 12 sites spanning the 3 northernmost ecoclimatic zones of Canada (north boreal, subarctic, and high Arctic) using standardized methods. The beetles and hairworms were identified using traditional morphological approaches. Seven beetle species are recorded as hosts: Amara alpina, Pterostichus caribou, Pterostichus brevicornis, Pterostichus tareumiut, Pterostichus haematopus, Patrobus septentrionis, and Notiophilus borealis. All represent new host records (increasing the known North American host list from 14 to 21), and this is the first record of hairworm infection in the genus Notiophilus. Beetles from Banks Island, Northwest Territory, were infected in high numbers (11-19% per sampling period) and were used as an ecological case study. There was no significant relationship between infection status and host species, body size, or sex. Beetles collected in yellow pan traps and in wet habitats were more likely to be infected, likely due to water-seeking behavior induced by the parasites. Morphological examinations indicate that the hairworms collected from all locations represent a single, new species of Gordionus, making it only the sixth hairworm species and the third species of that genus found in Canada. Hosts are unknown for all other Canadian (and 1 Alaskan) Gordionus species.
机译：描述了从北极（一个被充分研究且具有重要生态意义的地区）收集的地甲虫（鞘翅目：金龟科）和hair虫（线虫：Gordiida）之间的寄主-寄生虫关联。使用标准方法，从跨越加拿大三个最北端的生态气候区（北北方，北极和北极高地）的12个地点收集了锁甲及其寄生虫。使用传统的形态学方法鉴定了甲虫和approaches虫。七个甲虫物种被记录为寄主：Amara alpina，Pterostichus caribou，Pterostichus brevicornis，Pterostichus tareumiut，Pterostichus haematopus，Patrobus septentrionis和Notiophilus tubealis。所有代表新的宿主记录（已知的北美宿主列表从14个增加到21个），这是Notiophilus属中第一次感染hair虫的记录。来自西北地区班克斯岛的甲虫被大量感染（每个采样期占11-19％），并被用作生态案例研究。感染状况与宿主种类，体型或性别之间没有显着关系。在黄锅陷阱和潮湿的生境中收集的甲虫更可能被感染，这可能是由于寄生虫引起的寻水行为。形态学检查表明，从所有位置收集的hair虫代表一种新的戈壁翁属物种，使其仅在加拿大发现该属的第六种and虫和第三种。其他加拿大（和1个阿拉斯加）Gordionus物种的寄主未知。

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