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2,3-Dimethyl-5-(2-methylpropyl)pyrazine, a trail pheromone component of Eutetramorium mocquerysi Emery (1899) (Hymenoptera: Formicidae) |
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| Authors: | J Tentschert H-J Bestmann B Hölldobler J Heinze |
| Institution: | Institut für Organische Chemie der Universit?t Erlangen-Nürnberg, 91054 Erlangen, Germany, DE Theodor-Boveri-Institut, Lehrstuhl für Verhaltensphysiologie und Soziobiologie der Universit?t, 97074 Würzburg, Germany, DE Institut für Zoologie I der Universit?t Erlangen, 91058 Erlangen, Germany, DE |
| Abstract: | The ant Eutetramorium mocquerysi (Myrmicinae) is endemic to the island of Madagascar. During foraging and nest emigration the ants lay recruitment trails with secretions from the poison gland. We identified three pyrazine compounds in the poison gland secretion: 2,3-dimethyl-5-(2-methylpropyl)pyrazine 1, 2,3-dimethyl-5-(3-methylbutyl)pyrazine 3, 2,3-dimethyl-5-(2-methylbutyl)pyrazine 4. Only the first component elicited trail-following behavior in the ants. We were unable to investigate whether the other pyrazine components have a synergistic function. Received: 21 February 2000 / Accepted in revised form: 27 June 2000 |
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