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Abstract:

Modulation of liquid feeding-rate would allow insects to ingest more food in the same time when this was required. Ants can vary nectar intake rate by increasing sucking pump frequency according to colony requirements. We analysed electrical signals generated by sucking pump activity of ants during drinking solutions of different sucrose concentrations and under different carbohydrate-deprivation levels. Our aim was to define parameters that characterize the recordings and analyse their relationship with feeding behaviour. Signals showed that the initial and final frequencies of sucking pump activity, as well as the difference between them were higher in sugar-deprived ants. However, these parameters were not influenced by sucrose solution concentration, which affected the number of pump contractions and the volume per contraction. Unexpectedly, we found two different responses in feeding behaviour of starved and non-starved ants depending on concentration. Starved ants drank dilute solutions for the same length of time as non-starved ants but ingested higher volumes. While drinking the concentrated solutions, starved ants drank the same volume, but did so in a shorter time than the non-starved ones. Despite these differences, for each analysed concentration the total number of pump contractions remained constant independently of sugar-deprivation level. These results are discussed in the frame of feeding regulation and decision making in ant foraging behaviour. © 2009 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Sucking pump activity in feeding behaviour regulation in carpenter ants
Autor:Falibene, A.; de Figueiredo Gontijo, A.; Josens, R.
Filiación:Grupo de Estudio de Insectos Sociales, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Pabellon II, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Palabras clave:Ant; Feeding behaviour; Nectar foraging; Starvation; Sucking pump; ant; concentration (composition); feeding behavior; food consumption; foraging behavior; animal; animal communication; ant; article; feeding behavior; female; male; physiology; sucking; Animal Communication; Animals; Ants; Feeding Behavior; Female; Male; Sucking Behavior; Camponotus; Formicidae; Hexapoda
Año:2009
Volumen:55
Número:6
Página de inicio:518
Página de fin:524
DOI: http://dx.doi.org/10.1016/j.jinsphys.2009.01.015
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_v55_n6_p518_Falibene

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Citas:

---------- APA ----------
Falibene, A., de Figueiredo Gontijo, A. & Josens, R. (2009) . Sucking pump activity in feeding behaviour regulation in carpenter ants. Journal of Insect Physiology, 55(6), 518-524.
http://dx.doi.org/10.1016/j.jinsphys.2009.01.015
---------- CHICAGO ----------
Falibene, A., de Figueiredo Gontijo, A., Josens, R. "Sucking pump activity in feeding behaviour regulation in carpenter ants" . Journal of Insect Physiology 55, no. 6 (2009) : 518-524.
http://dx.doi.org/10.1016/j.jinsphys.2009.01.015
---------- MLA ----------
Falibene, A., de Figueiredo Gontijo, A., Josens, R. "Sucking pump activity in feeding behaviour regulation in carpenter ants" . Journal of Insect Physiology, vol. 55, no. 6, 2009, pp. 518-524.
http://dx.doi.org/10.1016/j.jinsphys.2009.01.015
---------- VANCOUVER ----------
Falibene, A., de Figueiredo Gontijo, A., Josens, R. Sucking pump activity in feeding behaviour regulation in carpenter ants. J. Insect Physiol. 2009;55(6):518-524.
http://dx.doi.org/10.1016/j.jinsphys.2009.01.015