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The largely unique fauna of ticks in Australia and Papua New Guinea (PNG) has been studied for 250 years. Here, we briefly review the early stages of tick taxonomy in the region, then focus on the activities of five people who contributed much to our knowledge of ticks in Australasia during the second half of the 20th century: F.H.S Roberts, David H. Kemp, Douglas E. Moorhouse, Nixon Wilson and Harry Hoogstraal. We provide biographical notes on each and collated publication lists for Roberts, Kemp and Moorhouse. We recognize three eras of tick taxonomy in Australia. First, an era that we refer to as "colonial tick taxonomy", where ticks were sent from the European colonies to taxonomists in Europe. Second, a brief but significant era that we refer to as "endemic tick taxonomy" defined by the works of F.H.S. Roberts. Thirdly, a final phase of "colonial taxonomy" where ticks were described by workers in the USA. In PNG there has been no phase of endemic tick taxonomy and, while Australian workers are once again describing new tick species, in PNG the USA continues to make the most significant contributions. Through this work, we now see Australasia as one of the "theatres of evolution" of Bothriocroton and Archaeocroton, the Amblyomma-like ticks without eyes. We briefly discuss the current hypotheses for the theatre of evolution of the Ixodida, consider the 22 genus and subgenus-level entities of the Prostriata (Ixodinae) as provisional biological entities, and provide observations on tick phylogenetics and future research. Finally, we outline additional genetic evidence, from a recent whole-transcriptome study, for the two clades of the subfamily Ixodinae (Prostriata), the Australasian Ixodes and all other Ixodes. [ABSTRACT FROM AUTHOR]

We describe a new genus Cryptocroton n. gen. for Amblyomma papuanum Hirst, 1914, a tick of North Queensland, Australia, and Papua New Guinea.

Seventy species of ticks are known from Australia: 14 soft ticks (family Argasidae) and 56 hard ticks (family Ixodidae). Sixteen of the 70 ticks in Australia may feed on humans and domestic animals (Barker and Walker 2014). The other 54 species of ticks in Australia feed only on wild mammals, reptiles and birds. At least 12 of the species of ticks in Australian also occur in Papua New Guinea. We use an image-matching system much like the image-matching systems of field guides to birds and flowers to identify Ixodes holocyclus (paralysis tick), Ixodes cornuatus (southern paralysis tick) and Rhipicephalus (Boophilus) australis (Australian cattle tick). Our species accounts have reviews of the literature on I. holocyclus (paralysis tick) from the first paper on the biology of an Australian tick by Bancroft (1884), on paralysis of dogs by I. holocyclus, to papers published recently, and of I. cornuatus (southern paralysis tick) and Rhipicephalus (Boophilus) australis (Australian cattle tick). We comment on four controversial questions in the evolutionary biology of ticks: (i) were labyrinthodont amphibians in Australia in the Devonian the first hosts of soft, hard and nuttalliellid ticks?; (ii) are the nuttalliellid ticks the sister-group to the hard ticks or the soft ticks?; (iii) is Nuttalliella namaqua the missing link between the soft and hard ticks?; and (iv) the evidence for a lineage of large bodied parasitiform mites (ticks plus the holothyrid mites plus the opiliocarid mites)., (Copyright © 2014. Published by Elsevier Ltd.)