Lack of Specificity in Assembly Pheromones of Soft Ticks (Acari: Argasidae)1

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Abstract
Assembly pheromones are demonstrated in 2 species of soft ticks, Ornithodoros tholozani (Laboulbéne & Mégnin) and Argas brumpti Neumann. Interspecific response is observed between Argas persicus (Oken) and the following species: A. brumpti, O. tholozani, Ornithodoros savignyi (Audouin). Feeding increased pheromone production and decreased tick response to pheromone. The role of assembly pheromones in host location is considered.