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A Primitive Aphidiine Wasp in Albian Amber from Spain and a Northern Hemisphere Origin for the Subfamily (Hymenoptera: Braconidae: Aphidiinae)

机译:来自西班牙的阿尔比琥珀色的原始蚜虫黄蜂和该亚科的北半球起源(膜翅目::科:蚜虫)

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摘要

A description of a new genus and species of braconid, Archephedrus stolamissus, from Early Cretaceous (Albian) amber from Moraza-Peñacerrada I (Spain) is here provided. This is the first fossil Aphidiinae described in Cretaceous amber. The fossil has some typical characters of the subfamily but possesses a unique assemblage of characters among aphidiines, such as a fairly robust abdomen, with a more pronounced articulation between the first and second, instead of the second and third, metasomal segments, as well as several wing venational traits. The distribution of this and other aphidiine fossils, as well as their putative phylogenetic placement as basal among Aphidiinae, is discussed, supporting a Northern rather than Southern Hemisphere origin for the lineage.
机译:这里提供了来自Moraza-PeñacerradaI(西班牙)的白垩纪早期(阿尔比亚)琥珀色的辫状纲新属和种的描述。这是白垩纪琥珀描述的第一个化石蚜。该化石具有亚科的一些典型特征,但在蚜虫中具有独特的特征组合,例如相当健壮的腹部,在第一和第二,而不是第二和第三,变质节以及几个翅膀的民族特征。讨论了这种和其他蚜虫化石的分布,以及在蚜虫科中作为基础的假定的系统发育位置,支持了北半球而不是南半球的血统。

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