Professor Richard Wall, University of Bristol - overall project supervisor

Dr John McGarry, School of Veterinary science, University of Liverpool - provided support, guidance and provided tick samples for photographs: Dermacentor marginatus, Ixodes hexagonus, Rhipicephalus sanguineus

Dr Paul Phipps, Veterinary Laboratory Agency - supplied tick samples for photographs: Ixodes canisuga, Hyalomma aegyptium, Hyalomma anatolicum excavatum, Haemaphysalis punctata female and Rhipicephalus (Boophilus) annulatus

Jolyon Medlock, Health protection agency- supplied tick samples for photographs: Dermacentor reticulatus

Mrs Janet Beccaloni, curator of Arachnida and Myriapoda, The Natural History Museum - gave access to tick samples owned by the Natural History Museum: Haemaphysalis concinna, I. persulcatus, I. acuminatus, I. apronophorus, I. arboricola, I. caledonicus, I. lividus, I. rothschildi, I. trianguliceps, I. unicavatus, I. uriae (female) and I. vespertilionis (male)

Professor Alan Walker, University of Edinburgh - helped with the identification guides which contributed to the glossary of morphological terms as well as the keys presented here; also general guidance with website content.

Professor Augustin Estrada-Pena, University of Zaragoza - helped with identification guides and provided general advice and encouragement.