Systematic studies of the subgenus Crewella of Ceratina (Hymenoptera, Apidae, Xylocopinae), with a revision of the species occurring in Argentina

Q3 Agricultural and Biological Sciences

Revista del Museo Argentino de Ciencias Naturales, Nueva Serie Pub Date : 2022-01-01 DOI:10.22179/revmacn.23.758

Arturo Roig Alsina

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Abstract

: The subgenus Crewella Cockerell of Ceratina Latreille is found only in the Neotropical region, with maximal diversity in South America. A morphological study of the species in the subgenus led to the recognition of five species groups, based on several characteristics of the head, the first metasomal tergum, and the female sixth metasomal tergum. A key to the species-groups is presented. The following new species are described: C. dalyana from Colombia, C. amazonica , C. crassipunctata , and C. foveinasis from Peru, C. duplocarinata , C. guaranitica , and C. lobata from Argentina, C. acuminata from Brazil and Paraguay, and C. carbonaria from Argentina and Brazil. Lectotypes are designated for C. brunneipes Friese, C. diligens Smith, and C. vernoniae Schrottky. The following are new synonyms: C. brunneipes Friese, 1910 of C. maculifrons Smith, 1854, and C. gossypii var. asuncionis Strand, 1910 of C. gossypii Schrottky, 1907. A revision of the species in Argentina, with a key to species, is presented.

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阿根廷角蜂亚属的系统研究(膜翅目，蜂科，木蜂科)

:角鼻草属(Ceratina Latreille)的Crewella Cockerell亚属仅在新热带地区发现，多样性最大的是南美洲。对该亚属的物种进行形态学研究后，根据其头部、第一交代三角胶和雌性第六交代三角胶的几个特征，确定了五个物种群。给出了物种群的关键。报告了以下新种:哥伦比亚的C. dalyana，秘鲁的C. amazonica, C. crassipunctata和C. foveinasis，阿根廷的C. duplocarinata, C. guaranitica和C. lobata，巴西和巴拉圭的C. acuminata，阿根廷和巴西的C. carbonaria。为C. brunneipes Friese, C. diligens Smith和C. vernoniae Schrottky指定了选型。以下是新的同义词:C. maculifrons Smith, 1854年的C. brunneipes Friese, 1910年;C. gossypii Schrottky, 1907年的C. gossypii var. asunciis Strand, 1910年。在阿根廷的一个修订的物种，与一个关键的物种，提出。

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