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Wingless Paocryptorrhinus (Coleoptera: Curculionidae) rediscovered in Tanzania: synonymy, four new species and a mtDNA phylogeography

机译:在坦桑尼亚重新发现了无翅Paocryptorrhinus(鞘翅目:Curculionidae):同义词,四个新物种和mtDNA系谱

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The weevil genus Paocryptorrhinus Voss, 1965 is revised. The nominal taxon Anchonidium hustachei Hoffmann, 1965 is transferred to Paocryptorrhinus as P. hustachei (Hoffmann, 1965) comb. n. The nominal taxa Anchonidium hustachei Hoffmann, 1965 and Paocryptorrhinus obsitus Voss, 1965 are considered conspecific and the name A. hustachei Hoffmann, 1965 is a senior subjective synonym of P. obsitus Voss, 1965 syn. n. The genus, previously known for a single species from the wet forests on geologically young volcanic mountains in northeastern Tanzania, is reported from two other forest types: the old crystalline East Arc Mountains and the lowland forest. Four new species, all from Tanzania, are described: P. atropos sp. n. (North and South Pare), P. clotho sp. n. (West Usambara), P. hanangensis sp. n. (Mt. Hanang) and P. lachesis sp. n. (Kimboza forest). A single specimen of an unnamed species is reported from East Usambara. The mtDNA barcoding sequences are analysed phylogeographically. Even though the genus was not recovered as a monophyletic clade in two of the molecular phylogenetic analyses, it is nevertheless hypothesized as being monophyletic based on numerous similarities in adult morphology, biology and based on the geographical proximity of all records. The uncertain phylogenetic position of Paocryptorrhinus is briefly discussed and the genus is transferred from Brachycerinae: Erirhinini to Molytinae incertae sedis.
机译:1965年修订了象鼻虫Paocryptorrhinus Voss属。 1965年,名义上的分类单元Hustachei Hoffmanni被转移到Paocryptorrhinus,成为P. hustachei(Hoffmann,1965)的梳子。 。名义上的分类单元Anchonidium hustachei Hoffmann,1965和Paocryptorrhinus obsitus Voss,1965被认为是同种的,而A. hustachei Hoffmann,1965是P. obsitus Voss,1965 syn的高级主观同义词。 。该属以前在坦桑尼亚东北部地质年轻的火山山脉的湿润森林中以单一物种而闻名,据报道,该属还来自另外两种森林类型:古老的结晶东弧山和低地森林。描述了来自坦桑尼亚的四个新物种:P. atropos sp.。 。 (北部和南部Pare),P.clotho sp.。 。 (西乌桑巴拉),P。hanangensis sp.。 。 (哈南山)和P. lachesis sp。 。 (金波扎森林)。东乌桑巴拉报道了一个未命名物种的标本。 mtDNA条形码序列在系统地理上进行了分析。即使在两个分子系统发育分析中,该属并未作为单系进化枝恢复,但仍基于成人形态,生物学上的众多相似性以及所有记录的地理接近性,将其假定为单系进化。简要讨论了隐球菌的系统发生位置,并将该属从短枝菌科:埃里希尼尼转移到不动蝇科。

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