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Abstract:

Ants of the same size can vary their intake rate of a given sucrose solution depending on the colony's needs for carbohydrates. As this capacity has not yet been described for another insect, the question of how they can do that was the focus of our work. When viscosity and ant-morphometry remain constant, changes in intake rate can only be attributed to the sucking forces. The aim of this study was to analyze the nectar sucking activity in the ant Camponotus mus. Feeding behavior seems to be under motivational control; therefore, we developed a non-invasive experimental device. We recorded the electrical signal generated during nectar feeding by offering ants sucrose solutions of different concentrations (from 10%w/w to 70%w/w). The signal frequency was between 2 and 12 peaks/s. We could distinguish two different patterns of electrical signal during feeding depending on the solution concentration. Only the more concentrated solutions reached frequencies higher than 7 peaks/s and the signal performance was quite irregular. For the other concentrations (10%, 30% and 50%), signal frequencies were lower than 6 peaks/s and the signal pattern was sinusoidal, regular and decreased with intake in all cases. We discuss the possible implications of these two signal patterns. © 2006 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Electrical signals during nectar sucking in the carpenter ant Camponotus mus
Autor:Josens, R.; Falibene, A.; Gontijo, A.d.F.
Filiación:Grupo de Estudio de Insectos Sociales, Departamento de Biodiversidady Biología Experimental, Facultad de Ciencias Exactas y Naturales, Pabellon II, Ciudad Universitaria, C1428 EHA Buenos Aires, Argentina
Colégio Técnico da UFMG, Avenue Pres, Antonio Carlos, 6627, CEP:31.270-901 Belo Horizonte, MG, Brazil
Palabras clave:Ant; Camponotus; Intake; Sucking pump; Sucrose concentration; sucrose; ant; feeding behavior; ingestion rate; morphometry; nectar; signal; sucrose; analysis of variance; animal; ant; article; comparative study; electrophysiology; feeding behavior; physiology; signal transduction; sucking; time; Analysis of Variance; Animals; Ants; Electrophysiology; Feeding Behavior; Signal Transduction; Sucking Behavior; Sucrose; Time Factors; Camponotus; Camponotus mus; Formicidae; Insecta
Año:2006
Volumen:52
Número:11-12
Página de inicio:1234
Página de fin:1242
DOI: http://dx.doi.org/10.1016/j.jinsphys.2006.09.008
Título revista:Journal of Insect Physiology
Título revista abreviado:J. Insect Physiol.
ISSN:00221910
CODEN:JIPHA
CAS:sucrose, 122880-25-5, 57-50-1; Sucrose, 57-50-1
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221910_v52_n11-12_p1234_Josens

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Citas:

---------- APA ----------
Josens, R., Falibene, A. & Gontijo, A.d.F. (2006) . Electrical signals during nectar sucking in the carpenter ant Camponotus mus. Journal of Insect Physiology, 52(11-12), 1234-1242.
http://dx.doi.org/10.1016/j.jinsphys.2006.09.008
---------- CHICAGO ----------
Josens, R., Falibene, A., Gontijo, A.d.F. "Electrical signals during nectar sucking in the carpenter ant Camponotus mus" . Journal of Insect Physiology 52, no. 11-12 (2006) : 1234-1242.
http://dx.doi.org/10.1016/j.jinsphys.2006.09.008
---------- MLA ----------
Josens, R., Falibene, A., Gontijo, A.d.F. "Electrical signals during nectar sucking in the carpenter ant Camponotus mus" . Journal of Insect Physiology, vol. 52, no. 11-12, 2006, pp. 1234-1242.
http://dx.doi.org/10.1016/j.jinsphys.2006.09.008
---------- VANCOUVER ----------
Josens, R., Falibene, A., Gontijo, A.d.F. Electrical signals during nectar sucking in the carpenter ant Camponotus mus. J. Insect Physiol. 2006;52(11-12):1234-1242.
http://dx.doi.org/10.1016/j.jinsphys.2006.09.008