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Phylogeny- and morphology-based recognition of new species in the spider-parasitic genus Gibellula (Hypocreales, Cordycipitaceae) from Thailand.
MycoKeys ( IF 3.3 ) Pub Date : 2020-09-02 , DOI: 10.3897/mycokeys.72.55088
Wilawan Kuephadungphan 1 , Kanoksri Tasanathai 1 , Booppa Petcharad 2 , Artit Khonsanit 1 , Marc Stadler 3 , J Jennifer Luangsa-Ard 1
Affiliation  

Thailand is known to be a part of what is called the Indo-Burma biodiversity hotspot, hosting a vast array of organisms across its diverse ecosystems. This is reflected by the increasing number of new species described over time, especially fungi. However, a very few fungal species from the specialized spider-parasitic genus Gibellula have ever been reported from this region. A survey of invertebrate-pathogenic fungi in Thailand over several decades has led to the discovery of a number of fungal specimens with affinities to this genus. Integration of morphological traits into multi-locus phylogenetic analysis uncovered four new species: G. cebrennini, G. fusiformispora, G. pigmentosinum, and G. scorpioides. All these appear to be exclusively linked with torrubiella-like sexual morphs with the presence of granulomanus-like asexual morph in G. pigmentosinum and G. cebrennini. A remarkably high host specificity of these new species towards their spider hosts was revealed, and for the first time, evidence is presented for manipulation of host behavior in G. scorpioides.

中文翻译:

基于系统发育学和形态学的泰国寄生寄生虫Gibellula(Hypocreales,Cordycipitaceae)中新物种的识别。

众所周知,泰国是所谓的印度-缅甸生物多样性热点地区的一部分,该地区拥有遍布其多样化生态系统的大量生物。随着时间的推移,描述的新物种(尤其是真菌)的数量不断增加反映了这一点。然而,从该地区已经报道了来自寄生蜘蛛特有种Gibellula的极少数真菌物种。几十年来,对泰国无脊椎动物致病真菌的一项调查导致发现了许多与该属相似的真菌标本。将形态学特征整合到多基因座系统发育分析中,发现了四个新种:Cebrennini G.,fusiformispora G.色素G. scorpioides和G. scorpioides。所有这些似乎都与torrubiella样性变型有关,而G中存在颗粒肉样的无性变型。色素和G.cebrennini。揭示了这些新物种对其蜘蛛宿主的显着高宿主特异性,并且首次提出了操纵蝎蝎(G. scorpioides)宿主行为的证据。
更新日期:2020-09-02
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