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Abstract:

The nectivorous ant Camponotus mus shows a broad size variation within the worker caste. Large ants can ingest faster and larger loads than small ones. Differences in physiological abilities in fluid ingestion due to the insect size could be related to differences in decision-making according to ant size during nectar foraging. Sucrose solutions of different levels of sugar concentration (30% or 60%w/w), viscosity (high or low) or flow rate (ad libitum or 1 μl/min) were offered in combination to analyse the behavioural responses to each of these properties separately. Differences were found depending on ant body size and the property compared. A regulated flow produced smaller crop loads for medium and large ants compared to the same solution given ad libitum. All foragers remained longer times feeding at the regulated flow source but larger ants often made longer interruptions. When sugar concentration was constant but viscosity was high, only large ants increased feeding time. Constant viscosity with different sugar concentration determined longer feeding time and bigger loads for the most concentrated solution for small but not for large ants. Small ants reached similar crop loads in a variety of conditions while large ants did not. These differences could be evidence of a possible specialization for nectar foraging based on ant body size. © 2005 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Nectar foraging behaviour is affected by ant body size in Camponotus mus
Autor:Medan, V.; Josens, R.B.
Filiación:Grupo de Estudio de Insectos Sociales, Departamento de Fisiología Y Biología Molecular Y Celular, Ciudad Universitaria (C1428 EHA), Buenos Aires, Argentina
Laboratorio de Neurobiología de la Memoria, (IFIBYNE-CONICET), Departamento de Fisiología Y Biología, Molecular Y Celular, Ciudad Universitaria (C1428 EHA), Buenos Aires, Argentina
Palabras clave:Ant; Camponotus mus; Feeding behaviour; Nectar; Worker size; ant; body size; feeding behavior; foraging behavior; nectar; physiology; animal; ant; article; body size; classification; feeding behavior; physiology; Animals; Ants; Body Size; Feeding Behavior; Camponotus mus; Formicidae; Insecta
Año:2005
Volumen:51
Número:8
Página de inicio:853
Página de fin:860
DOI: http://dx.doi.org/10.1016/j.jinsphys.2005.03.016
Título revista:Journal of Insect Physiology
Título revista abreviado:J. Insect Physiol.
ISSN:00221910
CODEN:JIPHA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221910_v51_n8_p853_Medan

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Citas:

---------- APA ----------
Medan, V. & Josens, R.B. (2005) . Nectar foraging behaviour is affected by ant body size in Camponotus mus. Journal of Insect Physiology, 51(8), 853-860.
http://dx.doi.org/10.1016/j.jinsphys.2005.03.016
---------- CHICAGO ----------
Medan, V., Josens, R.B. "Nectar foraging behaviour is affected by ant body size in Camponotus mus" . Journal of Insect Physiology 51, no. 8 (2005) : 853-860.
http://dx.doi.org/10.1016/j.jinsphys.2005.03.016
---------- MLA ----------
Medan, V., Josens, R.B. "Nectar foraging behaviour is affected by ant body size in Camponotus mus" . Journal of Insect Physiology, vol. 51, no. 8, 2005, pp. 853-860.
http://dx.doi.org/10.1016/j.jinsphys.2005.03.016
---------- VANCOUVER ----------
Medan, V., Josens, R.B. Nectar foraging behaviour is affected by ant body size in Camponotus mus. J. Insect Physiol. 2005;51(8):853-860.
http://dx.doi.org/10.1016/j.jinsphys.2005.03.016