蜂头几何形态测定法在夜间活动蜂属(膜翅目,蜂总科)性别和种类鉴别中的应用

IF 2.4 3区 农林科学 Q1 ENTOMOLOGY
Priscila Soares Oliveira, Rodrigo Barbosa Gonçalves
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引用次数: 0

摘要

几何形态计量学是一种广泛应用于生物学研究的方法。对于蜜蜂来说,翅膀标志被用于研究一些问题,如物种鉴定和种群动态,但其他形态学结构仍未得到充分研究。在昏暗的光线条件下觅食,头部形状和大小都有变化,有专门的复眼和眼。在本研究中,我们选择了14种大翅象的两性,以测试头部标志是否能成功区分大翅象的性别、种类和分类群。我们发现头和眼质心大小以及马氏距离和普鲁克斯特距离在雄性和雌性之间始终存在差异。男性和女性在头部下部标志上存在差异。在物种和分类类群的对比中,典型变量分析可以区分出大部分的物种对,而主成分分析和聚类分析不能恢复这些分类类群。物种差异与上眼标志的变化有关。我们得出结论,头部和翅膀几何形态计量学具有相似的潜力和限制,响应对象的选择应基于潜在的生物学问题,而不仅仅是方便。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Head geometric morphometrics as a reliable method to discriminate sexes and species of Megalopta, a nocturnal bee genus (Hymenoptera, Apoidea)

Head geometric morphometrics as a reliable method to discriminate sexes and species of Megalopta, a nocturnal bee genus (Hymenoptera, Apoidea)

Geometric morphometrics is an approach widely used in biological research. For bees, wing landmarks are applied to investigate several questions, such as species identification and population dynamics, yet other morphological structures remain understudied. Megalopta Smith reunite species that forage at dim-light conditions having heads with modifications on shape and size associated with specialized compound eyes and ocelli. In this study, we selected both sexes of 14 species to test if head landmarks can successfully differentiate Megalopta sexes, species, and taxonomic groups. We found that head and eye centroid size and Mahalanobis and Procrustes distances were consistently different between males and females. Male and female differed on lower head landmarks. When contrasting both species and taxonomic groups, canonical variate analysis could differentiate species pairs for most comparisons, while principal component and cluster analysis did not recover such taxonomic groups. Species differences were linked to variation in upper eye landmarks. We conclude that head and wing geometric morphometrics have similar potential and constraints, and response subjects should be selected based on underlying biological questions rather than convenience alone.

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来源期刊
Apidologie
Apidologie 生物-昆虫学
CiteScore
5.10
自引率
8.30%
发文量
64
审稿时长
3 months
期刊介绍: Apidologie is a peer-reviewed journal devoted to the biology of insects belonging to the superfamily Apoidea. Its range of coverage includes behavior, ecology, pollination, genetics, physiology, systematics, toxicology and pathology. Also accepted are papers on the rearing, exploitation and practical use of Apoidea and their products, as far as they make a clear contribution to the understanding of bee biology. Apidologie is an official publication of the Institut National de la Recherche Agronomique (INRA) and Deutscher Imkerbund E.V. (D.I.B.)
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