TY - JOUR JF - Acarologia T1 - Ecology and ethology of Ixodes ricinus L. in Switzerland (Ixodoidea; Ixodidae). Fifth note: demonstration of the existence of a sex pheromone in Ixodes ricinus VL - 17 IS - 3 SP - 436 EP - 441 PY - 1975 SN - 0044-586X SN - 2107-7207 PB - Les Amis d'Acarologia AU - Graf, J.F. UR - https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=3123 DA - 1976-02-27 KW - Acari KW - Ixodes ricinus KW - chemoreception KW - Haller s organ KW - sex attractant KW - pheromones KW - receptors KW - analysis AB - Ecologie et ethologie d Ixodes ricinus L. en Suisse (Ixodoidea; Ixodidae). Cinquieme note: mise en evidence d une pheromone sexuelle chez Ixodes ricinus. The author shows the existence of a sex pheromone for the first time in a Prostriata, Ixodes ricinus. This substance is produced by the females and attracts strongly the males. The females are also attractecl, but not as strongly. The substance is soluble in aqueous solvents. The sensory receptors of the males are located in the Hallers organs. ER -