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Slime mold beetles of the genus Anisotoma (Leiodidae): classification and evolution

机译:Anistotoma 属 (Leiodidae) 的粘液霉菌甲虫:分类和进化

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Abstract.Leiodid beetles of the genusAnisotomaare redefined and reclassified, based on a cladistic analysis of the world fauna, and evolutionary and biogeographic hypotheses are discussed.Agathidiumis the probable sister group ofAnisotoma. Anisotomaconsists of six monophyletic species groups, involving thirty‐five known species, including thirteen new species:bifoveata, maculata, latustriata, sinuosa, campbelli, exigua, tenuiucida, hidalgoensis, montana, colima, autlanensis, scopulaandreticulonota.Speciation may occur at a rapid rate inAnisotoma, between 10 000 and 1 000 000 years.Anisotomaarose in North America, from a hypothetical Holarctic common ancestor ofAnisotomaandAgathidium, and spread into Palearctic and Central American regions. Taxonomic history, natural history, and methods are briefly discussed, and the following given where appropriate: synonymies, diagnoses, descriptions, natural histories, distributions, remarks, materials examined, maps, keys to species and species groups, illustrations, and habitus drawings. Lectotypes are designated for Horn, LeConte, Melsheimer and Portevin species as needed.A. obsoleta(Horn) is renamedA. homidue to preoccupation. The Japanese genusEucyrtaPortevin is reduced to a synonym ofAnisotom
机译:摘要.基于对世界动物群的分类分析,对Anisotoma属的Leiodid甲虫进行了重新定义和分类,并讨论了进化和生物地理学假说。Agathidium是Anisotoma的可能姊妹群。异域植物由6个单系种群组成,涉及35种已知种,包括13个新种:双凹种、斑点种、拉图斯特里亚塔种、窦诺科、坎贝尔种、埃西瓜种、特努乌西科、伊达尔戈恩斯、蒙大拿种、科利马种、奥特兰氏种、网纹黄种。在Anisotoma中,物种形成可能以快速的速度发生,在10 000至1 000 000年之间。Anisotomaarose在北美,来自AnisotomaandAgathidium的假想全北极共同祖先,并传播到古北和中美洲地区。简要讨论了分类学历史、自然历史和方法,并在适当的情况下给出了以下内容:同义词、诊断、描述、自然历史、分布、注释、检查的材料、地图、物种和物种组的关键、插图和习性图。根据需要,Lectotypes被指定为Horn,LeConte,Melsheimer和Portevin物种。由于全神贯注。日本属EucyrtaPortevin被简化为Anisotom的同义词

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