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Los atributos del nido influyen en la precisión de la elección, pero no en la latencia de la decisión en las hormigas
Sheila Shu-Laam Chan1,2,3, Isaac P Weinberg1, Philip T Starks1
1Department of Biology, Tufts University, United States of America.
PloS one
|January 16, 2026
Resumen
Las colonias de hormigas bellota (Temnothorax curvispinosus) toman mejores decisiones de nido cuando más atributos difieren entre las opciones. El brillo del nido mejoró significativamente la precisión de la decisión, pero el tiempo de decisión no se vio afectado por las diferencias en los atributos.
Área de la Ciencia:
- Ecología Conductual
- Cognición Animal
- Insectos Sociales
Sus antecedentes:
- La toma de decisiones es crucial para la supervivencia y el éxito de los animales.
- Las hormigas bellota (Temnothorax curvispinosus) enfrentan consecuencias significativas para su éxito al seleccionar nuevos nidos.
- Los atributos del nido como la forma de la cavidad, la altura y el brillo influyen en las decisiones de emigración de las colonias de hormigas.
Objetivo del estudio:
- Investigar cómo el número y el tipo de atributos diferenciadores afectan la precisión y la latencia de la selección del sitio del nido en las hormigas bellota.
- Determinar si el aumento de la complejidad de los atributos ayuda o dificulta la toma de decisiones rápida y precisa de la colonia.
Principales métodos:
- Se utilizaron pruebas por pares que presentaban nidos potenciales que diferían en uno a tres atributos.
- Se designó un nido en cada par como menos óptimo.
- Se registró la elección del nido por parte de la colonia y la latencia en la toma de decisiones.
Principales resultados:
- La precisión en la selección del nido aumentó con el número de atributos diferenciadores.
- El brillo del nido surgió como un atributo particularmente influyente para mejorar la precisión.
- La latencia en la toma de decisiones no se vio afectada significativamente por el grado de diferencia entre los atributos del nido.
Conclusiones:
- Aumentar el número de atributos distintivos del nido puede mejorar la precisión en la selección del sitio del nido por parte de las colonias de hormigas bellota.
- Las colonias de hormigas pueden estar temporalmente limitadas durante la selección del nido, independientemente de las diferencias en los atributos.
- El brillo del nido es un factor clave que influye en la precisión de la decisión en la emigración de las hormigas bellota.
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