Trail-following behavior is a key to ecological success of termites, allowing them to orient themselves between the nesting and foraging sites. This behavior is controlled by specific trail-following pheromones produced by the abdominal sternal gland occurring in all termite species and developmental stages. Trail-following communication has been studied in a broad spectrum of species, but the “higher” termites (i.e. Termitidae) from the subfamily Syntermitinae remain surprisingly neglected. To fill this gap, we studied the trail-following pheromone in six genera and nine species of Syntermitinae. Our chemical and behavioral experiments showed that (3 Z ,6 Z ,8 E )-dodeca-3,6,8-trien-1-ol is the single component of the pheromone of all the termite species studied, except for Silvestritermes euamignathus. This species produces both (3 Z ,6 Z )-dodeca-3,6-dien-1-ol and neocembrene, but only (3 Z ,6 Z )-dodeca-3,6-dien-1-ol elicits trail-following behavior. Our results indicate the importance of (3 Z ,6 Z ,8 E )-dodeca-3,6,8-trien-1-ol, the most widespread communication compound in termites, but also the repeated switches to other common pheromones as exemplified by S. euamignathus .
Trail-Following Pheromones in the Termite Subfamily Syntermitinae (Blattodea, Termitoidae, Termitidae)
D. Sillam‐Dussès,J. Šobotník,T. Bourguignon,P. Wen,E. Sémon,A. Robert,E. M. Cancello,C. Leroy,M. Lacey,C. Bordereau
Published 2020 in Journal of Chemical Ecology
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- Publication year
2020
- Venue
Journal of Chemical Ecology
- Publication date
2020-06-01
- Fields of study
Biology, Medicine, Environmental Science
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Semantic Scholar, PubMed
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