The beetle (Coleoptera) fauna of the Chatham Islands

Emberson, Rowan M.

doi:10.1080/00779962.1998.9722037

Cited by 28 publications

(31 citation statements)

References 27 publications

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“…40 • S) increased the total to 286 (Emberson 1998). Smaller, perhaps younger, and increasingly southerly (subantarctic) islands, emergent from the Campbell Plateau, have more modest insect biodiversity, at least as far as numbers alone are concerned.…”

Section: New Zealand (Aotearoa) Chatham Islands and Subantarctic Ismentioning

confidence: 99%

Biodiversity of Australasian Insects

Cranston¹

2009

Insect Biodiversity

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Section: New Zealand (Aotearoa) Chatham Islands and Subantarctic Ismentioning

confidence: 99%

Biodiversity of Australasian Insects

Cranston¹

2009

Insect Biodiversity

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“…However, the current islands are generally believed to have emerged through volcanic activity within the past several million years (Campbell and Hutching 2007;Stilwell and Consoli 2012). The flora and fauna of the Chathams are in keeping with the hypothesised young age of the current islands (as subaerial land); in particular, molecular-dating studies of various plant and animal groups (see below), and the observation that there are few endemic genera (Holdaway et al 2001;Emberson 1998;de Lange et al 2011) argue against ancient origins of the biota. In fact, most Chathams populations are classified as conspecific with ones found elsewhere (Emberson 1998;Holdaway et al 2001;Heenan et al 2010;de Lange et al 2011).…”

Section: The Chatham Islandsmentioning

confidence: 90%

Jurassic primates, immobile ducks and other oddities: a reply to Heads’ review of The Monkey’s Voyage

Queiroz

2016

Aust. Systematic Bot.

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Abstract. In The Monkey's Voyage, I focused on the issue of disjunct distributions, and, in particular, on the burgeoning support from molecular-dating studies for long-distance dispersal over vicariance as the most reasonable explanation for many (but by no means all) distributions broken up by oceans. Michael Heads' assessment of the book is founded on his long-standing belief, following Croizat, that long-distance dispersal is an insignificant process and, therefore, that disjunctions are virtually always attributable to vicariance. In holding to these notions, Heads offered a series of unsound arguments. In particular, to preserve an 'all-vicariance' perspective, he presented a distorted view of the nature of long-distance dispersal, misrepresented current applications of fossil calibrations in molecular-dating studies, ignored methodological biases in such studies that often favour vicariance hypotheses, repeatedly invoked irrelevant geological reconstructions, and, most strikingly, showed a cavalier approach to evolutionary timelines by pushing the origins of many groups back to unreasonably ancient ages. The result was a succession of implausible histories for particular taxa and areas, including the notions that the Hawaiian biota is almost entirely derived from ancient (often Mesozoic) central Pacific metapopulations, that the disjunctions of extremely mobile organisms such as ducks rarely, if ever, result from long-distance dispersal, and that primates were widespread 120 million years before their first appearance in the fossil record. In contrast to Heads' perspective, a central message of The Monkey's Voyage is that explanations for disjunct distributions should be evaluated on the basis of diverse kinds of evidence, without strong a priori assumptions about the relative likelihoods of long-distance dispersal and vicariance.

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“…A similar distribution is seen in the intertidal subfamily Aegalitinae (Salpingidae), a group containing two flightless genera, one found on the Pacific shores of North America, Russia, and Japan, and the other present on the shores of Antipodes, Auckland, Bounty, Campbell, Chatham, Snares, and Stewart islands (Spilman 1967;Emberson 1998;Marris 2000 pers. comm.).…”

Section: Origin and Biogeography Of Baeostethusmentioning

confidence: 93%

Systematics ofBaeostethus chiltoni,a subantarctic liparocephaline (Coleoptera: Staphylinidae: Aleocharinae): A Pangean relic or a more recent immigrant?

Leschen¹,

Bullians²,

Michaux³

et al. 2002

Journal of the Royal Society of New Zealand

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The placement of Leptusa chiltoni is restored to its original status as sole member of the genus Baeostethus. Baeostethus chiltoni is a subantarctic intertidal species that is present on the shores of Auckland, Antipodes, and Campbell islands. Baeostethus is concluded to be a member of Liparocephalini based on the absence of seta v on the adult mentum, several setae distributed only on the mesal surface and apex of the galea, and contiguous mesocoxal cavities. The phylogenetic relationships of Liparocephalini are investigated in the context of a previous study and Baeostethus is shown to be a sister taxon to Liparocephalus based on 12 synapomorphies (nine are unique). The majority of Liparocephalini are distributed along the coasts of the northern Pacific rim, some 9000 km away from B. chiltoni. Most are apterous, and with Baeostethus as a relatively derived member of the group, it is difficult to reconcile the biogeographic pattern based on a dispersal event from the northern Pacific to the Campbell Plateau. We argue that the trans-Pacific pattern in Liparocephalini is due to an older contiguous distribution along the coastal margins of Pangea. The data are supported by an alternative area cladogram derived from a rerooted tree, congruence with a Pacific rim pattern seen in intertidal Aegalitinae (Salpingidae), and the distribution and phylogeny of terrestrial Gymnusini (Aleocharinae).

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The beetle (Coleoptera) fauna of the Chatham Islands

Cited by 28 publications

References 27 publications

Biodiversity of Australasian Insects

Biodiversity of Australasian Insects

Jurassic primates, immobile ducks and other oddities: a reply to Heads’ review of The Monkey’s Voyage

Systematics ofBaeostethus chiltoni,a subantarctic liparocephaline (Coleoptera: Staphylinidae: Aleocharinae): A Pangean relic or a more recent immigrant?

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