Trail communication in the ant Megaponera foetens (Fabr.) (Formicidae, Ponerinae)

Bert Hölldobler, Ulrich Braun, Wulfila Gronenberg, Wolfgang H. Kirchner, Christian Peeters

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The African ponerine ant Megaponera foetens conducts well organized group raids on termites. Observations of raids in western Africa, together with laboratory experiments, confirm previous reports that recruitment is based on a scout system and trail pheromones. One component of the trail signal derives from the poison gland. We discovered a second trail pheromone which originates from the pygidial gland. The latter secretions have a more powerful recruitment effect whereas poison gland secretions contain a much longer-lasting orientation cue. The secretions of the sternal gland, Dufour's gland and hind gut contents do not elicit trail-following. The long bristles surrounding the tip of the gaster are innervated and probably serve as mechano-receptors during trail-laying. No evidence could be found that the conspicuous stridulatory sounds produced by the ant columns serve intraspecific communication. In the field, stridulation by raiding ants was observed exclusively as a response to disturbance. In the laboratory, strong vibrations of the ground as well as air currents elicit stridulation. Air/CO2 mixtures are significantly more efficient in releasing stridulation compared to pure air. We suggest that these sounds are aposematic warning signals aimed at potential vertebrate predators.

Original languageEnglish (US)
Pages (from-to)585-593
Number of pages9
JournalJournal of Insect Physiology
Volume40
Issue number7
DOIs
StatePublished - 1994
Externally publishedYes

Fingerprint

stridulation
Ants
animal communication
trail pheromones
Formicidae
Poisons
Pheromones
Communication
Air
secretion
air
Dufour's gland
Isoptera
Western Africa
setae (animal)
hindgut
Vibration
vibration
Cues
Vertebrates

Keywords

  • Aposematic signal
  • Pheromone glands
  • Ponerinae ants
  • Stridulation
  • Trail communication

ASJC Scopus subject areas

  • Insect Science
  • Physiology

Cite this

Trail communication in the ant Megaponera foetens (Fabr.) (Formicidae, Ponerinae). / Hölldobler, Bert; Braun, Ulrich; Gronenberg, Wulfila; Kirchner, Wolfgang H.; Peeters, Christian.

In: Journal of Insect Physiology, Vol. 40, No. 7, 1994, p. 585-593.

Research output: Contribution to journalArticle

Hölldobler, Bert ; Braun, Ulrich ; Gronenberg, Wulfila ; Kirchner, Wolfgang H. ; Peeters, Christian. / Trail communication in the ant Megaponera foetens (Fabr.) (Formicidae, Ponerinae). In: Journal of Insect Physiology. 1994 ; Vol. 40, No. 7. pp. 585-593.
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