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1 June 2010 Recruitment Response to Six Carbohydrates in the Ant Pheidole dentigula Smith, 1927 (Hymenoptera: Formicidae)
Jorge Victor Horta-Vega, Brenda Eguía-López, Enrique Ruíz-Cancino, Regina Brussolo-Ceballos
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Abstract

We examined recruitment behavior of the ant Pheidole dentigula to six different carbohydrates each presented at two concentrations. In each case, the recruitment response was enhanced by raising the carbohydrate concentration from 0.5 to 1.0 M. However, glucose and sucrose were more effective than other sugars at inducing recruitment activity at 0.5 M. In the simultaneous presence of both sugar solutions, but moving away the more concentrated one, the colony opted in the case of glucose and sucrose, but not with maltose, for the food source of less energy content. These findings suggest that taste receptors of Pheidole dentigula are differentially sensitive to distinct carbohydrates. This species was also responsive to trehalose, which has no recruitment activity in other ants. We consider that functional and molecular taste receptor diversity may represent an evolutionary advantage for insect societies, since it allows them to organize efficiently the required effort to exploit the existing resources.

Jorge Victor Horta-Vega, Brenda Eguía-López, Enrique Ruíz-Cancino, and Regina Brussolo-Ceballos "Recruitment Response to Six Carbohydrates in the Ant Pheidole dentigula Smith, 1927 (Hymenoptera: Formicidae)," Entomological News 121(3), 290-297, (1 June 2010). https://doi.org/10.3157/021.121.0311
Received: 30 April 2009; Accepted: 24 July 2009; Published: 1 June 2010
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KEYWORDS
ants
Pheidole
recruitment response
Tamaulipas
taste receptor
trehalose
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