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Individuality and colonial identity in ants: the emergence of the social representation concept
It is hypothesize that the template of colonial identity has evolved from a simple personal chemical reference in primitive species with small colonies to an internal representation of the colonial identity in larger colonies. Expand
A multidisciplinary approach to discriminating different taxa in the species complex Pachycondyla villosa (Formicidae)
A multidisciplinary approach provides new evidence that strongly supports the differentiation of three taxa previously confounded in a single species, Pachycondyla villosa, showing that there are three different valid species. Expand
Role of cuticular hydrocarbons in the chemical recognition between ant species in the Pachycondyla villosa species complex.
It was found that only the HC fraction and its branched subfraction elicited a behavioural response of Ps workers, and it was suggested that internallyBranched methyl- and dimethylalkanes are involved in recognition behaviour. Expand
Hydrocarbon circulation and colonial signature in Pachycondyla villosa.
In ants, both cuticular and postpharyngeal gland (PPG) hydrocarbons (HCs) have been involved in nestmate recognition. However, no detailed comparison is available. A comparative study including alsoExpand
Worldwide invasion by the little fire ant: routes of introduction and eco-evolutionary pathways
The evolutionary genetics of introduced populations of the invasive ant Wasmannia auropunctata at a worldwide scale are studied, and it is suggested that invasive clonal populations may have evolved within human modified habitats in the native range, and spread further from there. Expand
Individual foraging and path fidelity in a ponerine ant
It is observed that workers develope an individualized foraging strategy with a high degree of regional specialization that persists for extended periods that reveals a primitive and original food-supply strategy in ants. Expand
How an Ant Manages to Display Individual and Colonial Signals by Using the Same Channel
This work identified and selected 11 cuticular hydrocarbons that permitted us to discriminate ovarian development classes and that might function as a fertility signal, which suggests that the two signals (the individual signal of fertility and the common signal of colony identity) can be conveyed by the same compounds. Expand
Small queens in the ant Ectatomma tuberculatum: a new case of social parasitism
The occurrence of miniaturized queens (microgynes) in colonies of Ectatomma tuberculatum appear to be a distinct species and to represent the first case of social parasitism in the poneromorph subfamilies of ants. Expand