sex pheromomes of Ixodes ricinus

[D.R.Hulse]

Im doing a masters degree research project into the sex pheromones and 
host attractants  of the hard tick, Ixodes ricinus, which is a vector 
of Lyme Disease. Volatile attractant and a non-volatile sex pheromones 
will be collected by air entrainment etc, and their effects on tick 
studied, with a view to using them in trap development.
 If anyone knows of any useful references for this project I would be 
extremely grateful.
Thankyou from Dave