Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)

Metrics to assess relative adult bee body size have included both mass and morphometrics, but these metrics may not equally or reliably estimate body size for all bee species and in all situations, due to bee age, diet, and/or environment. Understanding the relationships between different metrics an...

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Autores principales:	Lindsie M. McCabe, Natalie K. Boyle, Morgan B. Scalici, Theresa L. Pitts-Singer
Formato:	article
Lenguaje:	EN
Publicado:	PeerJ Inc. 2021
Materias:	Body size Intertegular distance Head capsule width Fresh weight Dry weight Solitary bee Medicine R
Acceso en línea:	https://doaj.org/article/c439fa7087de464986b87b4e77ac2943
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spelling	oai:doaj.org-article:c439fa7087de464986b87b4e77ac29432021-11-04T15:05:16ZAdult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)10.7717/peerj.123442167-8359https://doaj.org/article/c439fa7087de464986b87b4e77ac29432021-11-01T00:00:00Zhttps://peerj.com/articles/12344.pdfhttps://peerj.com/articles/12344/https://doaj.org/toc/2167-8359Metrics to assess relative adult bee body size have included both mass and morphometrics, but these metrics may not equally or reliably estimate body size for all bee species and in all situations, due to bee age, diet, and/or environment. Understanding the relationships between different metrics and possible redundancies in the information they afford is important but not always known. Body size measurements provide valuable data for interpreting research outcomes for managed solitary bees, including Osmia lignaria Say and Megachile rotundata F. (Hymenoptera: Megachilidae). Applied studies of these important and readily available U.S. crop pollinators focus on refining commercial management practices, and basic empirical studies in various scientific disciplines (from genomics to ecology) employ them as model systems to study solitary bees. To examine common metrics of body size, we measured head capsule width (HCW), intertegular distance (ITD), and fresh and dry weights of newly emerged adults of both species. Using linear and exponential models, we determined relationships between these body size metrics. For M. rotundata, linear models best described relationships between ITD and all other metrics, and between HCW and fresh and dry weights. For O. lignaria, linear models best fit relationships between all metrics except for fresh weight with both ITD and HCW, which were fitted better with exponential models. For both species, model fits were strongest when males and females were pooled. Depending on the study question, knowing that only one metric may reliably measure body size can simplify evaluations of O. lignaria and M. rotundata responses to artificial or environmental variables.Lindsie M. McCabeNatalie K. BoyleMorgan B. ScaliciTheresa L. Pitts-SingerPeerJ Inc.articleBody sizeIntertegular distanceHead capsule widthFresh weightDry weightSolitary beeMedicineRENPeerJ, Vol 9, p e12344 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Body size Intertegular distance Head capsule width Fresh weight Dry weight Solitary bee Medicine R
spellingShingle	Body size Intertegular distance Head capsule width Fresh weight Dry weight Solitary bee Medicine R Lindsie M. McCabe Natalie K. Boyle Morgan B. Scalici Theresa L. Pitts-Singer Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)
description	Metrics to assess relative adult bee body size have included both mass and morphometrics, but these metrics may not equally or reliably estimate body size for all bee species and in all situations, due to bee age, diet, and/or environment. Understanding the relationships between different metrics and possible redundancies in the information they afford is important but not always known. Body size measurements provide valuable data for interpreting research outcomes for managed solitary bees, including Osmia lignaria Say and Megachile rotundata F. (Hymenoptera: Megachilidae). Applied studies of these important and readily available U.S. crop pollinators focus on refining commercial management practices, and basic empirical studies in various scientific disciplines (from genomics to ecology) employ them as model systems to study solitary bees. To examine common metrics of body size, we measured head capsule width (HCW), intertegular distance (ITD), and fresh and dry weights of newly emerged adults of both species. Using linear and exponential models, we determined relationships between these body size metrics. For M. rotundata, linear models best described relationships between ITD and all other metrics, and between HCW and fresh and dry weights. For O. lignaria, linear models best fit relationships between all metrics except for fresh weight with both ITD and HCW, which were fitted better with exponential models. For both species, model fits were strongest when males and females were pooled. Depending on the study question, knowing that only one metric may reliably measure body size can simplify evaluations of O. lignaria and M. rotundata responses to artificial or environmental variables.
format	article
author	Lindsie M. McCabe Natalie K. Boyle Morgan B. Scalici Theresa L. Pitts-Singer
author_facet	Lindsie M. McCabe Natalie K. Boyle Morgan B. Scalici Theresa L. Pitts-Singer
author_sort	Lindsie M. McCabe
title	Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)
title_short	Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)
title_full	Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)
title_fullStr	Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)
title_full_unstemmed	Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)
title_sort	adult body size measurement redundancies in osmia lignaria and megachile rotundata (hymenoptera: megachilidae)
publisher	PeerJ Inc.
publishDate	2021
url	https://doaj.org/article/c439fa7087de464986b87b4e77ac2943
work_keys_str_mv	AT lindsiemmccabe adultbodysizemeasurementredundanciesinosmialignariaandmegachilerotundatahymenopteramegachilidae AT nataliekboyle adultbodysizemeasurementredundanciesinosmialignariaandmegachilerotundatahymenopteramegachilidae AT morganbscalici adultbodysizemeasurementredundanciesinosmialignariaandmegachilerotundatahymenopteramegachilidae AT theresalpittssinger adultbodysizemeasurementredundanciesinosmialignariaandmegachilerotundatahymenopteramegachilidae
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Adult body size measurement redundancies in Osmia lignaria and Megachile rotundata (Hymenoptera: Megachilidae)

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