Cephalic and dufour gland secretions of Scaptotrigona mexicana queens chemical composition and biological activity
Cephalic and Dufour gland secretions of virgin and physogastric queens of Scaptotrigona mexicana were analyzed by GC-MS. Worker responses to extracts and selected compounds identified in these secretions were evaluated in experimental hives. Cephalic secretions of virgin queens and 1-month-old physogastric queens are constituted of 2-ketones, 2-alcohols and esters, while the cephalic secretions of 1-year-old physogastric queens are constituted of 2-alcohols and esters. Dufour gland secretions from virgin queens are mainly constituted of 2-alcohols, ketones, hydrocarbons and esters, while Dufour gland secretions from physogastric queens are mainly constituted of esters, where hexyl hexanoate is the major compound. Workers were significantly attracted to natural extracts and synthetic blends of selected compounds of the 1-year-old physogastric queen cephalic secretion as well as to a blend of enantiomeric 2-alcohols. Dufour gland secretion was not attractive to workers.
Main Authors: | Grajales Conesa, Julieta Doctora 13369, Rojas, Julio C. Doctor autor/a 5426, Guzmán Díaz, Miguel Ángel Maestro autor/a 7865, Rincón Rabanales, Manuel autor/a 21366, Cruz López, Leopoldo Caridad Doctor autor/a 2083 |
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Format: | Texto biblioteca |
Language: | eng |
Subjects: | Scaptotrigona mexicana, Feromonas de insectos, Secreciones, Glándula de dufour, |
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