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首页> 外文期刊>Zootaxa >Redescription of two species and proposal of a new synonym in the genus Mycotretus Lacordaire, 1842 (Coleoptera: Erotylidae: Tritomini)
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Redescription of two species and proposal of a new synonym in the genus Mycotretus Lacordaire, 1842 (Coleoptera: Erotylidae: Tritomini)

机译：在1842年，Mycotretus Lacordaire Genus的两个物种和建议的重新评估和新的同义词（鞘翅目：雄虫草：Tritomini）

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摘要

Mycotretus Lacordaire, 1842 is a Neotropical genus of beetles, being the second most speciose genus within Erotylidae. The older descriptions of Mycotretus species are anecdotal and none include information on male and female genitalia, which can have great taxonomic value. Our objective in the present work is to redescribe Mycotretus chilensis Crotch, 1876 and Mycotretus trifasciatus Guerin, 1956 providing the first descriptions of their mouthparts, metendosternite, male and female terminalia, as well as new data on their geographic distribution and host fungi. Additionally, the lectotype of M. chilensis is designated and Mycotretus bicinctus Guerin, 1949 is proposed as a new junior synonym of M. chilensis. Both M. chilensis and M. trifasciatus have great intraspecific variation and are sympatric or syntopic in a few localities. We conclude that morphological differences of the penial flagellum and the metendosternite can be used to diagnose species and may also have phylogenetic signal for Mycotretus species. The present work is our first step in an ongoing taxonomic revision of the genus Mycotretus.
机译：Mycotretus拉科代尔，1842是甲虫的新热带属，是内Erotylidae第二最speciose属。 Mycotretus种上了年纪的描述是传闻，并没有包括男性和女性生殖器，这可以有很大分类价值的信息。我们目前的工作目标是重新描述Mycotretus chilensis的裤裆，1876年和Mycotretus trifasciatus卡介苗，1956年提供他们的地理分布和主机真菌它们的口器，metendosternite，男性和女性榄仁，以及新数据的第一个描述。此外，M chilensis的的选型指定和Mycotretus bicinctus卡介苗，1949年被提议为M. chilensis的新异名。无论M. chilensis的和M. trifasciatus有很大的种内变异，并在少数几个地方同域或同室。我们的结论是penial鞭毛和metendosternite的形态差异可以用来诊断物质，也可能有Mycotretus物种系统发育信号。目前的工作是我们属Mycotretus的持续分类修订第一步。

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