Insect communication - 'No entry' signal in ant foraging

EJH Robinson, DE Jackson, M Holcombe, FLW Ratnieks

Research output: Contribution to journalArticle (Academic Journal)peer-review

109 Citations (Scopus)


Forager ants lay attractive trail pheromones to guide nestmates to food(1,2), but the effectiveness of foraging networks might be improved if pheromones could also be used to repel foragers from unrewarding routes(3,4). Here we present empirical evidence for such a negative trail pheromone, deployed by Pharaoh's ants (Monomorium pharaonis) as a 'no entry' signal to mark an unrewarding foraging path. This finding constitutes another example of the sophisticated control mechanisms used in self-organized ant colonies.
Translated title of the contributionInsect communication - 'No entry' signal in ant foraging
Original languageEnglish
Pages (from-to)442 - 442
Number of pages1
Publication statusPublished - 2005

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