Effect of attraction-aggregation-attachment pheromone and kairomone, carbon dioxide on brown dog tick, Rhipicephalus sanguineus

R.S. Ranju; Bhaskaran Ravi Latha; V. Leela

doi:10.56093/ijvasr.v46i2.138446

Authors

R.S. Ranju R.S. Nivas, Praleyagiri, Thokkadu P.O., Varkala, Thiruvananthapuram - 695 143 , Kerala
Bhaskaran Ravi Latha Professor and Head, Department of Veterinary Parasitology, Madras Veterinary College, TANUVAS, Chennai – 600 007
V. Leela Professor and Head, Department of Veterinary Physiology, Madras Veterinary College, TANUVAS, Chennai – 600 007

https://doi.org/10.56093/ijvasr.v46i2.138446

Keywords:

Attraction-Aggregation-Attachment pheromone (AAAP), carbon dioxide, Rhipicephalus sanguineus, olfactometer, (O)- Nitrophenol

Abstract

In vitro evaluations were made to observe the efficacy of Attraction-Aggregation-Attachment pheromone (AAAP) and the kairomone carbon dioxide on partially fed adult ticks (Both male and female ticks) of Rhipicephalus sanguineus using olfactometer bioassay. Bioassays were conducted with 50 adult ticks each using three treatments namely AAAP in combination with carbon dioxide, carbon dioxide alone and AAAP alone. Dichloromethane (DCM), diluents of AAAP served as control. Experimental trials using AAAP along with carbon dioxide resulted in 38 per cent of R. sanguineus ticks showing attraction towards the pheromone source. AAAP alone attracted only 30per cent of ticks while Carbon dioxide alone elicited an attraction of 76 per cent. The effect of AAAP on partially fed adult ticks of R. sanguineus was found to be not substantial. However carbon dioxide showed a marked attraction among the partially fed adult male ticks of R. sanguineus.

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