Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)

Sexual size dimorphism (SSD) is detected in Belostoma elegans for the first time in a multivariate framework. Females are usually bigger than males in Heteroptera species; size is frequently associated with reproductive success. Following this general trend we found that maximum width of the head an...

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Autores principales: Iglesias, M.S., Valverde, A.C., Gaspe, M.S., Crespo, F.A.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0013872X_v121_n1_p31_Iglesias
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spelling todo:paper_0013872X_v121_n1_p31_Iglesias2023-10-03T14:11:30Z Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae) Iglesias, M.S. Valverde, A.C. Gaspe, M.S. Crespo, F.A. Belostomatinae giant water bugs Male brooding behavior morphometry paternal care Belostoma elegans Belostomatidae Belostomatinae Heteroptera Sexual size dimorphism (SSD) is detected in Belostoma elegans for the first time in a multivariate framework. Females are usually bigger than males in Heteroptera species; size is frequently associated with reproductive success. Following this general trend we found that maximum width of the head and interocular distance are biased towards females. Components of body size involved in paternal care and mating behavior did not follow that general rule. Therefore, SSD is not detected in total length without head and maximum width, presumably a consequence of the male egg-laying area which offers a proportional major surface for the clutch. SSD biased to males is found in middle and hind leg segments, used during mating and brooding behavior. Fil:Valverde, A.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Gaspe, M.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Crespo, F.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0013872X_v121_n1_p31_Iglesias
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Belostomatinae
giant water bugs
Male brooding behavior
morphometry
paternal care
Belostoma elegans
Belostomatidae
Belostomatinae
Heteroptera
spellingShingle Belostomatinae
giant water bugs
Male brooding behavior
morphometry
paternal care
Belostoma elegans
Belostomatidae
Belostomatinae
Heteroptera
Iglesias, M.S.
Valverde, A.C.
Gaspe, M.S.
Crespo, F.A.
Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)
topic_facet Belostomatinae
giant water bugs
Male brooding behavior
morphometry
paternal care
Belostoma elegans
Belostomatidae
Belostomatinae
Heteroptera
description Sexual size dimorphism (SSD) is detected in Belostoma elegans for the first time in a multivariate framework. Females are usually bigger than males in Heteroptera species; size is frequently associated with reproductive success. Following this general trend we found that maximum width of the head and interocular distance are biased towards females. Components of body size involved in paternal care and mating behavior did not follow that general rule. Therefore, SSD is not detected in total length without head and maximum width, presumably a consequence of the male egg-laying area which offers a proportional major surface for the clutch. SSD biased to males is found in middle and hind leg segments, used during mating and brooding behavior.
format JOUR
author Iglesias, M.S.
Valverde, A.C.
Gaspe, M.S.
Crespo, F.A.
author_facet Iglesias, M.S.
Valverde, A.C.
Gaspe, M.S.
Crespo, F.A.
author_sort Iglesias, M.S.
title Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)
title_short Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)
title_full Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)
title_fullStr Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)
title_full_unstemmed Occurrence of sexual size dimorphism in belostoma elegans (Heteroptera: Belostomatidae)
title_sort occurrence of sexual size dimorphism in belostoma elegans (heteroptera: belostomatidae)
url http://hdl.handle.net/20.500.12110/paper_0013872X_v121_n1_p31_Iglesias
work_keys_str_mv AT iglesiasms occurrenceofsexualsizedimorphisminbelostomaelegansheteropterabelostomatidae
AT valverdeac occurrenceofsexualsizedimorphisminbelostomaelegansheteropterabelostomatidae
AT gaspems occurrenceofsexualsizedimorphisminbelostomaelegansheteropterabelostomatidae
AT crespofa occurrenceofsexualsizedimorphisminbelostomaelegansheteropterabelostomatidae
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