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A study on intraspecific resource partitioning in the stingless bee scaptotrigona mexicana guérin (Apidae, Meliponini) using behavioral and molecular techniques

Por: Sánchez Guillén, Daniel. Doctor [autor].
Solórzano Gordillo, Erik de Jesús [autor] | Vandame, Rémy [autor].
Tipo de material: Artículo en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Scaptotrigona mexicana | Colonia de abejas | Comportamiento de los insectos | Análisis genéticoTema(s) en inglés: Scaptotrigona mexicana | Honeybee colonies | Insect behavior | Genetic analysisDescriptor(es) geográficos: Reserva de la Biosfera El Triunfo (Chiapas, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Neotropical Entomology. volumen 45, número 5 (October 2016), páginas 518-523. --ISSN: 1678-8052Número de sistema: 21576Resumen:
Inglés

As a general rule, within an ecological guild, there is one species that is dominant and is commonly the most abundant. The aim of this work was to investigate if such pattern occurs intraspecifically, among colonies of the stingless bee Scaptotrigona mexicana Guérin. Through behavioral and molecular techniques, we found preliminary evidence that apparently colonies of this species do not monopolize resources, instead they seem to share food; however, some colonies had more foragers in a food patch or in a feeder, so some type of exclusion could be at work, though we could not determine the final output of such interaction, i.e., if underrepresented colonies were eventually excluded, developed slower or were overrepresented in other food patches. Our results give evidence that resource partitioning within this species occurs peacefully; however, further studies are necessary to determine if threatening behavior or aggressions appear when resources are scarce and competition becomes harsher.

Recurso en línea: http://link.springer.com/article/10.1007%2Fs13744-016-0404-z
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Disponible para usuarios de ECOSUR con su clave de acceso

As a general rule, within an ecological guild, there is one species that is dominant and is commonly the most abundant. The aim of this work was to investigate if such pattern occurs intraspecifically, among colonies of the stingless bee Scaptotrigona mexicana Guérin. Through behavioral and molecular techniques, we found preliminary evidence that apparently colonies of this species do not monopolize resources, instead they seem to share food; however, some colonies had more foragers in a food patch or in a feeder, so some type of exclusion could be at work, though we could not determine the final output of such interaction, i.e., if underrepresented colonies were eventually excluded, developed slower or were overrepresented in other food patches. Our results give evidence that resource partitioning within this species occurs peacefully; however, further studies are necessary to determine if threatening behavior or aggressions appear when resources are scarce and competition becomes harsher. eng

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