Exploiting assembly pheromone for the control of ixodid ticks
Ranju, R.S.; Latha, Bhaskaran Ravi and Leela, V.  The spiracle glands in Ixodes ricinus (Linnaeus, 1758) (Acari: Ixodidae)
Suppan, J.; Walzl, M. and Klepal, W.  Field evidence for aggregating behaviour in the tick Ixodes ricinus L.
Healy, J.A.E. and Bourke, P.