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首页> 外文期刊>Parasitology >A comprehensive analysis of the biogeography of the thelastomatoid pinworms from Australian burrowing cockroaches (Blaberidae: Geoscapheinae, Panesthiinae): no evidence of coevolution.
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A comprehensive analysis of the biogeography of the thelastomatoid pinworms from Australian burrowing cockroaches (Blaberidae: Geoscapheinae, Panesthiinae): no evidence of coevolution.

机译：对澳大利亚穴居蟑螂中的嗜线虫pin虫的生物地理学进行了全面分析（无脊椎动物科：Geoscapheinae，Panesthiinae）：没有共同进化的证据。

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摘要

We report 21 thelastomatoid species parasitizing 31 described and 5 undescribed geoscapheine and panesthiine cockroaches, representing all but 1 of the known species of these subfamilies in Australia. The nematodes have 3 distinct patterns of host distribution: dominant, moderate and rare. The 4 dominant species, Cordonicola gibsoni, Leidynemella fusiformis, Travassosinema jaidenae and Aoruroides queenslandensis, are highly prevalent, found in nearly all host species examined, and broadly distributed. The 8 moderate species have lower prevalences but are still widely distributed. Many of these species are more common in one host subfamily than the other. The remaining 9 rare species have highly restricted host and geographical distributions. Six of the 21 species are exclusive to geoscapheines, 5 to panesthiines and 10 are shared. These patterns suggest that most of the reported thelastomatoid species are generalists rather than specialists, that host-specificity within this group is low and that co-evolutionary speciation has had little, if any, impact on structuring the thelastomatoid fauna of Australian burrowing cockroaches. In a broader context, this study provides the first comprehensive examination of the role of coevolutionary speciation and host specificity in regulating the distribution of pinworms in arthropods.
机译：我们报告了21个类固醇菌种，寄生了31个已描述的和5个未描述的土小金鱼和Panesthiine蟑螂，代表了这些亚科中除1个已知物种外的所有物种。线虫具有3种不同的宿主分布模式：显性，中度和稀有。这4个优势种广泛存在，广泛存在于几乎所有接受研究的寄主物种中，这四个物种主要是：长毛堇菜，梭子蟹Leidynemella fusiformis，Tra鱼Travassosinema jaidenae和昆士兰A草。这8个中等物种的患病率较低，但仍广泛分布。这些物种中的许多物种在一个寄主亚科中比另一个更为常见。其余9种稀有物种的寄主和地理分布受到高度限制。 21种物种中有6种是地卡培因所独有的，5种是泛虾属，共有10种。这些模式表明，大多数报道的嗜生动物物种是通才而不是专家，该群体内的宿主特异性很低，并且共同进化物种对澳大利亚挖洞蟑螂的嗜热动物的结构影响很小（如果有的话）。在更广泛的背景下，这项研究首次对同进化物种和寄主特异性在调节节肢动物中worm虫的分布中的作用进行了全面的研究。

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