scholarly journals A MORPHOLOGICAL COMPARISON OF ANTIPODEAN TELEOGRYLLUS SPECIES (ORTHOPTERA: GRYLLIDAE)

1967 ◽  
Vol 45 (6) ◽  
pp. 1215-1224 ◽  
Author(s):  
G.-T. Chen ◽  
V. R. Vickery ◽  
D. K. McE. Kevan

The common "black" field crickets of the germs Teleogryllus from different regions of Australia and New Zealand were studied morphometrically in order to elucidate their taxonomy.Results show that these crickets, formerly regarded as comprising a single species, T. commodus (Walker), are actually two distinct species: T. oceanicus (Le Guillou) from northern Queensland and T. commodus from Western Australia, with other very closely related populations from southeastern Australia and from North Island, New Zealand. A population from Kaikoura, South Island, New Zealand, although a member of the T. commodus group, may represent a different subspecies.

2006 ◽  
Vol 37 (3) ◽  
pp. 241-256 ◽  
Author(s):  
Donald Colgan ◽  
Gregory Edgecombe ◽  
Deirdre Sharkey

AbstractThe lithobiomorph centipede Henicops is widely distributed in Australia and New Zealand, with five described species, as well as two species in New Caledonia and Lord Howe Island. Parsimony, maximum likelihood and Bayesian analyses of ca. 800 aligned bases of sequence data from 16S rRNA and 28S rRNA were conducted on a dataset including multiple individuals of Henicops species from populations sampled from different parts of species' geographic ranges, together with the allied henicopines Lamyctes and Easonobius. Morphological characters are included in parsimony analyses. Molecular and combined datasets unite species from eastern Australia and New Zealand to the exclusion of species from Western Australia, New Caledonia and Lord Howe Island. The molecular data favour these two geographic groupings as clades, whereas inclusion of morphology resolves New Caledonia, Lord Howe Island, southwest Western Australia and Queensland as successive sisters to southeastern Australia and New Zealand. The basal position of the Lord Howe Island species in the phylogeny favours a diversification of Australasian Henicops since the late Miocene unless the Lord Howe species originated in a biota that pre-dates the island. The molecular and combined data resolve the widespread morphospecies H. maculatus as paraphyletic, with its populations contributing to the geographic groupings New South Wales + New Zealand and Tasmania + Victoria.


2012 ◽  
Vol 25 (1) ◽  
pp. 49 ◽  
Author(s):  
Robert Gibson ◽  
Barry J. Conn ◽  
Jeremy J. Bruhl

A phenetic study of morphological characters of the Drosera peltata complex (Droseraceae) supports the recognition of the following taxa: D. peltata from wetlands of south-eastern Australia; D. auriculata from south-eastern Australia and New Zealand; the morphologically variable D. hookeri from south-eastern Australia and northern New Zealand; the widespread D. lunata from southern and South-East Asia, as well as northern and north-eastern Australia; and the new species D. yilgarnensis R.P.Gibson & B.J.Conn is here described, from around granite outcrops of south-western Australia. D. bicolor from south-western Australia is recognised as a distinct species outside of the D. peltata complex. D. insolita, considered until recently as a distinct species, is reduced to synonymy of D. lunata. Phenotypic plasticity, vegetative similarity and fleetingly produced diagnostic floral and seed characters within the complex pose significant challenges in understanding the taxonomy of these taxa.


2015 ◽  
Vol 106 (1) ◽  
pp. 99-113 ◽  
Author(s):  
A. De Biase ◽  
E. Colonnelli ◽  
S. Belvedere ◽  
A. La Marca ◽  
M. Cristofaro ◽  
...  

AbstractTrichosirocalus horridussensu lato has been used as a biological control agent of several invasive thistles (Carduusspp.,Cirsiumspp. andOnopordumspp.) since 1974. It has been recognized as a single species until 2002, when it was split into three species based on morphological characters:T. horridus, Trichosirocalus brieseiandTrichosirocalus mortadelo, each purported to have different host plants. Because of this taxonomic change, uncertainty exists as to which species were released in various countries; furthermore, there appears to be some exceptions to the purported host plants of some of these species. To resolve these questions, we conducted an integrative taxonomic study of theT. horridusspecies complex using molecular genetic and morphological analyses of specimens from three continents. Both mitochondrial cytochrome c oxidase subunit I and nuclear elongation factor 1α markers clearly indicate that there are only two distinct species,T. horridusandT. briesei. Molecular evidence, morphological analysis and host plant associations support the synonymy ofT. horridus(Panzer, 1801) andT. mortadeloAlonso-Zarazaga & Sánchez-Ruiz, 2002. We determine thatT. horridushas been established in Canada, USA, New Zealand and Australia and thatT. brieseiis established in Australia. The former species was collected fromCarduus, CirsiumandOnopordumspp. in the field, whereas the latter appears to be specific toOnopordum.


Zootaxa ◽  
2008 ◽  
Vol 1855 (1) ◽  
pp. 1 ◽  
Author(s):  
ROBERT A. WHARTON ◽  
KARL ROEDER ◽  
MATTHEW J. YODER

Westwoodia (Ichneumonidae: Ctenopelmatinae) is an Australian endemic heretofore known from only two described species. Three additional species are described here: Westwoodia gauldi Wharton and Roeder, n. sp. and W. romani Wharton and Roeder, n. sp., both from southeastern Australia, and W. rodmani Wharton and Roeder, n. sp. from western Australia. A neotype is designated for W. ruficeps, following a detailed morphological comparison of topotypic material from Tasmania with populations from mainland Australia. New host records are provided; known hosts all belong to the Perginae (Hymenoptera: Pergidae). A phylogenetic analysis of relationships among species is presented along with a key to species. Species richness is greatest in southeastern Australia, which may simply represent a collecting bias.


1904 ◽  
Vol 36 (9) ◽  
pp. 249-255 ◽  
Author(s):  
E. M. Walker

This genus contains the common large black field crickets and the house cricket, which has been introduced into this country from the Old World. But three species have been taken in Ontario. All of these are dimorphic as regards wing-length, the shor-winged from being the normal one in the field crickets, the long-winged form in the house cricket.


1954 ◽  
Vol 2 (1) ◽  
pp. 86 ◽  
Author(s):  
IFB Common

Persectania ewingii (Westwood) is one of the more important armyworms in southern Australia and Tasmania. Conflicting information about its ,ecology in Tasmania and Western Australia has led to a critical examination of the identity of specimens referred to this species from various parts of its reputed range. It is shown that a second species, P. dyscrita, sp. nov., which is apparently restricted to areas of southern Australia with a low summer rainfall, has previously been confused with P. ewingii. In New Zealand, a third distinct species, P. acema (Walker), has been misidentified as P. ewingii. P. ewingii and P. dyscrita are confined to Australia, and P. aversa to New Zealand. The male and female genitalia of the three species are figured and a key to the two Australian species is provided.


Phytotaxa ◽  
2017 ◽  
Vol 314 (1) ◽  
pp. 1 ◽  
Author(s):  
SUNČICA BOSAK ◽  
DIANA SARNO

The morphology of the genus Chaetoceros, one of the most abundant and diverse planktonic diatom groups, was investigated using material collected in the eastern Adriatic Sea from 2006 to 2012. Twenty-seven morphologically distinct species have been identified from both field samples and cultivated strains. Two species, C. bacteriastroides and C. pseudodichaeta, are reported for the first time for the area. Morphometric data, general morphology and ultrastructural characters are presented for each species, based on light and electron microscopy observations, with a special emphasis on species-specific distinctive features. Valve ultrastructure appeared to be characteristic for single species or group of closely related species, especially inside the subgenus Hyalochaete. A collection of appropriate micrographs will facilitate future identification of Chaetoceros species and morphological comparison with material from other geographic areas.


2020 ◽  
Vol 11 (2) ◽  
pp. 188-203
Author(s):  
Roy Jones ◽  
Tod Jones

In the speech in which the phrase ‘land fit for heroes’ was coined, Lloyd George proclaimed ‘(l)et us make victory the motive power to link the old land up in such measure that it will be nearer the sunshine than ever before … it will lift those who have been living in the dark places to a plateau where they will get the rays of the sun’. This speech conflated the issues of the ‘debt of honour’ and the provision of land to those who had served. These ideals had ramifications throughout the British Empire. Here we proffer two Antipodean examples: the national Soldier Settlement Scheme in New Zealand and the Imperial Group Settlement of British migrants in Western Australia and, specifically, the fate and the legacy of a Group of Gaelic speaking Outer Hebrideans who relocated to a site which is now in the outer fringes of metropolitan Perth.


2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Javier Fernández-López ◽  
M. Teresa Telleria ◽  
Margarita Dueñas ◽  
Mara Laguna-Castro ◽  
Klaus Schliep ◽  
...  

AbstractThe use of different sources of evidence has been recommended in order to conduct species delimitation analyses to solve taxonomic issues. In this study, we use a maximum likelihood framework to combine morphological and molecular traits to study the case of Xylodon australis (Hymenochaetales, Basidiomycota) using the locate.yeti function from the phytools R package. Xylodon australis has been considered a single species distributed across Australia, New Zealand and Patagonia. Multi-locus phylogenetic analyses were conducted to unmask the actual diversity under X. australis as well as the kinship relations respect their relatives. To assess the taxonomic position of each clade, locate.yeti function was used to locate in a molecular phylogeny the X. australis type material for which no molecular data was available using morphological continuous traits. Two different species were distinguished under the X. australis name, one from Australia–New Zealand and other from Patagonia. In addition, a close relationship with Xylodon lenis, a species from the South East of Asia, was confirmed for the Patagonian clade. We discuss the implications of our results for the biogeographical history of this genus and we evaluate the potential of this method to be used with historical collections for which molecular data is not available.


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