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1 - Systematics and evolution of ticks with a list of valid genus and species names

Published online by Cambridge University Press:  21 August 2009

By
S. C. Barker  and
A. Murrell
Edited by
Alan S. Bowman  and
Patricia A. Nuttall
S. C. Barker
Affiliation:
Parasitology Section School of Molecular and Microbial Sciences University of Queensland Brisbane Qld 4072 Australia
A. Murrell
Affiliation:
Parasitology Section School of Molecular and Microbial Sciences University of Queensland Brisbane Qld 4072 Australia
Alan S. Bowman
Affiliation:
University of Aberdeen
Patricia A. Nuttall
Affiliation:
Centre for Ecology and Hydrology, Swindon
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Summary

In recent years there has been much progress in our understanding of the phylogeny and evolution of ticks, in particular the hard ticks (Ixodidae). Indeed, a consensus about the phylogeny of the hard ticks has emerged which is quite different to the working hypothesis of 10 years ago. Several changes to the nomenclature of ticks have been made or are likely to be made in the near future. One subfamily, the Hyalomminae, should be sunk, while another, the Bothriocrotoninae, has been created (Klompen, Dobson & Barker, 2002). Bothriocrotoninae, and its sole genus Bothriocroton, have been created to house an early-diverging (‘basal’) lineage of endemic Australasian ticks that used to be in the genus Aponomma. The remaining species of the genus Aponomma have been moved to the genus Amblyomma. Thus, the name Aponomma is no longer a valid genus name. The genus Rhipicephalus is paraphyletic with respect to the genus Boophilus. Thus, the genus Boophilus has become a subgenus of the genus Rhipicephalus (Murrell & Barker, 2003). Knowledge of the phylogenetic relationships of ticks has also provided new insights into the evolution of ornateness and of their life cycles, and has allowed the historical zoogeography of ticks to be studied. Finally, we present a list of the valid genus and species names of ticks as at Febuary 2007.

INTRODUCTION

Hoogstraal & Aeschlimann (1982) were apparently the first people to publish a phylogenetic tree for the ticks (suborder Ixodida); however, hypotheses about the evolutionary relationships of ticks had been proposed well before this (e.g. Pomerantsev, 1948; Camicas & Morel, 1977).

Type
Chapter
Information
Ticks
Biology, Disease and Control
 , pp. 1 - 39
Publisher: Cambridge University Press
Print publication year: 2008

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