Cryptic speciation in the fungus-growing ants Cyphomyrmex longiscapus Weber and Cyphomyrmex muelleri Schultz and Solomon, new species (Formicidae, Attini)

2002 ◽  
Vol 49 (4) ◽  
pp. 331-343 ◽  
Author(s):  
T. R. Schultz ◽  
S. A. Solomon ◽  
U. G. Mueller ◽  
P. Villesen ◽  
J. J. Boomsma ◽  
...  
Keyword(s):  
New Species ◽  
Cryptic Speciation ◽  
Fungus Growing Ants

scholarly journals Taxonomy and phylogeny of cercosporoid ascomycetes on Diospyros spp. with special emphasis on Pseudocercospora spp.

2020 ◽  
Vol 6 (1) ◽  
pp. 95-127 ◽  
Author(s):  
U. Braun ◽  
C. Nakashima ◽  
M. Bakhshi ◽  
R. Zare ◽  
H.D. Shin ◽  
...  
Keyword(s):  
New Species ◽  
Cryptic Speciation ◽  
Remarkable Degree ◽  
Multilocus Approach

A worldwide survey of cercosporoid ascomycete species on hosts of the genus Diospyros (persimmon) with key to the species based on characters in vivo is provided. Special emphasis is placed on species of the genus Pseudocercospora, which are in part also phylogenetically analysed, using a multilocus approach. Species of the latter genus proved to be very diverse, with a remarkable degree of cryptic speciation. Seven new species are described (Pseudocercospora diospyri-japonicae, P. diospyriphila, P. ershadii, P. kakiicola, P. kobayashiana, and P. tesselata), and two new names are introduced [P. kakiigena (≡ Cylindrosporium kaki, non Pseudocercospora kaki), and Zasmidium diospyri-hispidae (≡ Passalora diospyri, non Zasmidium diospyri)]. Six taxa are lectotypified (Cercospora atra, C. diospyri, C. diospyri var. ferruginea, C. flexuosa, C. fuliginosa, C. kaki), and Pseudocercospora kaki is epitypified.

Cryptic speciation and species diversity among Australian and New Zealand hornwort taxa of Megaceros (Dendrocerotaceae)

2013 ◽  
Vol 26 (5) ◽  
pp. 356 ◽  
Author(s):  
D. Christine Cargill ◽  
Nicole G. F. Vella ◽  
Ish Sharma ◽  
Joseph T. Miller
Keyword(s):  
New Species ◽  
New Zealand ◽  
Species Diversity ◽  
Sequence Data ◽  
Species Boundaries ◽  
Cryptic Speciation ◽  
Macquarie Island ◽  
Molecular Studies ◽  
The Common ◽  
A New Species

Recent molecular studies have redefined families and genera within the anthocerotes, but species boundaries are only now being revised. Monophyly of Australian and New Zealand taxa within the genus Megaceros Campb., which share the same spore and similar gametophyte morphology, was assessed. On the basis of sequence data, mainland Australian lineages are not monophyletic but are interspersed with New Zealand lineages. There are three species present in Australia, including the common and widespread M. gracilis (Reichardt) Steph., the widespread tropical M. flagellaris (Mitt.) Steph., recognised by its tesselated spores, and a new species, M. austronesophilus, found only in Tasmania and Macquarie Island. None of the currently recognised New Zealand taxa is conspecific with any of the Australian taxa. However, New Zealand lineages were found to be genetically and morphologically more diverse than is currently recognised.

scholarly journals Twelve New Species Reveal Cryptic Diversification in Foliicolous Lichens of Strigula s.lat. (Strigulales, Ascomycota)

2021 ◽  
Vol 8 (1) ◽  
pp. 2
Author(s):  
Shu-Hua Jiang ◽  
Robert Lücking ◽  
Hua-Jie Liu ◽  
Xin-Li Wei ◽  
Amanda Barreto Xavier-Leite ◽  
...  
Keyword(s):  
New Species ◽  
Lichenized Fungi ◽  
Considerable Degree ◽  
New Combination ◽  
Cryptic Speciation ◽  
Foliicolous Lichens ◽  
Two New Species ◽  
Molecular Phylogenetic ◽  
Tropical Areas

We employed a molecular phylogenetic approach using five markers (ITS, nuSSU, nuLSU, TEF1-α, and RPB2) to assess potential cryptic speciation in foliicolous members of Strigula s.lat. (Strigulaceae), including the recently segregated genera Phylloporis, Puiggariella, Raciborskiella, Racoplaca, and Serusiauxiella, from tropical areas in Asia, with selected materials from the Neotropics as reference. On the basis of combined molecular and phenotypic datasets, two new species of Racoplaca and 10 new species of Strigula s.str. are described: Racoplaca macrospora sp. nov., R. maculatoides sp. nov., Strigula guangdongensis sp. nov., S. intermedia sp. nov., S. laevis sp. nov., S. microcarpa sp. nov., S. pseudoantillarum sp. nov., S. pseudosubtilissima sp. nov., S. pycnoradians sp. nov., S. sinoconcreta sp. nov., S. stenoloba sp. nov., and S. subtilissimoides sp. nov. In addition, we propose the new combination Phylloporis palmae comb. nov. (≡ =Manaustrum palmae) and we validate the earlier combination Racoplaca melanobapha comb. nov. (≡ Verrucaria melanobapha; Strigula melanobapha). Our data clearly indicate a considerable degree of cryptic diversification in foliicolous representatives of Strigula s.lat., particularly in the presumably widespread taxa Strigula antillarum, S. concreta, S. nitidula, and S. smaragdula. Given that these phylogenetic revisions are thus far limited to few regions, we predict that our findings only represent the proverbial tip of the iceberg in this group of lichenized fungi.

scholarly journals Troublesome Trimes: Potential cryptic speciation of the Trimeresurus (Popeia) popeiorum complex (Serpentes: Crotalidae) around the Isthmus of Kra (Myanmar and Thailand)

Zootaxa ◽  
2017 ◽  
Vol 4347 (2) ◽  
pp. 301 ◽  
Author(s):  
DANIEL G. MULCAHY ◽  
JUSTIN L. LEE ◽  
ARYEH H. MILLER ◽  
GEORGE R. ZUG
Keyword(s):  
New Species ◽  
Sequence Data ◽  
Mitochondrial Genes ◽  
Cryptic Speciation ◽  
Undescribed Species ◽  
Bayesian Analyses ◽  
The North ◽  
Mtdna Sequence ◽  
Molecular Studies ◽  
Isthmus Of Kra

The taxonomic identity of the Trimeresurus (Popeia) popeiorum complex from the Isthmus of Kra and to the north was investigated. Several studies over the last decade have produced several specimens and associated mtDNA sequence data for a variety of individuals of the T. popeiorum and “T. sabahi” complexes. Here, we combine four mitochondrial genes (12S, 16S, ND4, and CytB) from all available specimens in GenBank with the addition of five new specimens collected from the mainland, Tanintharyi Region of Myanmar. Maximum Likelihood and Bayesian analyses identified that T. popeiorum sensu lato is paraphyletic with two geographically distinct clades: a northern clade representing populations from northern Myanmar, Laos and northern Thailand and a southern clade representing samples from the Tanintharyi Region and adjacent west Thailand. While the two clades have considerable genetic distance, they appear to be morphologically identical, leading to the hypothesis that the southern clade represents a cryptic, undescribed species. Because they appear to be cryptic species and the limitation of only five specimens from the southern lineage, this does not permit us to formally describe the new species. In accordance to past molecular studies, we uncovered paraphyly and lack of genetic support for the validity of taxa within the T. sabahi complex. However, we suggest recognizing these populations as subspecies within T. sabahi. 

scholarly journals More pieces to a huge puzzle: Two new Escovopsis species from fungus gardens of attine ants

MycoKeys ◽  
2019 ◽  
Vol 46 ◽  
pp. 97-118 ◽  
Author(s):  
Quimi Vidaurre Montoya ◽  
Maria Jesus Sutta Martiarena ◽  
Danilo Augusto Polezel ◽  
Sérgio Kakazu ◽  
Andre Rodrigues
Keyword(s):  
New Species ◽  
Phylogenetic Analyses ◽  
Large Subunit ◽  
Elongation Factor ◽  
Phylogenetic Position ◽  
High Genetic Diversity ◽  
Translation Elongation ◽  
Attine Ants ◽  
Elongation Factor 1 Alpha ◽  
Fungus Growing Ants

Escovopsis (Ascomycota: Hypocreales, Hypocreaceae) is the only known parasite of the mutualistic fungi cultivated by fungus-growing ants (Formicidae: Myrmicinae: Attini: Attina, the “attines”). Despite its ecological role, the taxonomy and systematics of Escovopsis have been poorly addressed. Here, based on morphological and phylogenetic analyses with three molecular markers (internal transcribed spacer, large subunit ribosomal RNA and the translation elongation factor 1-alpha), we describe Escovopsisclavatus and E.multiformis as new species isolated from fungus gardens of Apterostigma ant species. Our analysis shows that E.clavatus and E.multiformis belong to the most derived Escovopsis clade, whose main character is the presence of conidiophores with vesicles. Nevertheless, the most outstanding feature of both new species is the presence of a swollen region in the central hypha of the conidiophore named swollen cell, which is absent in all previously described Escovopsis species. The less derived Escovopsis clades lack vesicles and their phylogenetic position within the Hypocreaceae still remains unclear. Considering the high genetic diversity in Escovopsis, the description of these new species adds barely two pieces to a huge taxonomic puzzle; however, this discovery is an important piece for building the systematics of this group of fungi.

scholarly journals Cryptic speciation: distinguishing serpentine affiliated sister species Navarretia paradoxiclara and N. paradoxinota from N. intertexta (Polemoniaceae)

Phytotaxa ◽  
2013 ◽  
Vol 91 (2) ◽  
pp. 27 ◽  
Author(s):  
LEIGH A. JOHNSON ◽  
DAVID GOWEN ◽  
ANGELA B. JENSEN
Keyword(s):  
United States ◽  
New Species ◽  
Sister Species ◽  
Western United States ◽  
Cryptic Speciation

Two species endemic to California in the western United States, Navarretia paradoxiclara and N. paradoxinota, are here described. Both species occur on serpentine influenced soils and have been previously collected as N. intertexta, with which they are sympatric. However, they vary from N. intertexta subtly, yet consistently, in floral features and remarkably in surveyed DNA regions. Navarretia paradoxiclara and N. paradoxinota are sister species phylogenetically well separated from N. intertexta. With respect to each other, these new species are allopatric and diagnosable by differences in their corollas.

Evidence of cryptic speciation in a fossorial reptile: description of a new species of Blanus (Squamata: Amphisbaenia: Blanidae) from the Iberian Peninsula

Zootaxa ◽  
2009 ◽  
Vol 2234 (1) ◽  
pp. 56-68 ◽  
Author(s):  
EVA M. ALBERT ◽  
ADRIÁN FERNÁNDEZ
Keyword(s):  
New Species ◽  
Iberian Peninsula ◽  
Nuclear Dna ◽  
Morphological Differentiation ◽  
Morphological Characters ◽  
Molecular Data ◽  
Cryptic Speciation ◽  
Multivariate Statistical ◽  
Show Evidence ◽  
A New Species

A recent phylogeographic study using mitochondrial and nuclear DNA revealed the presence of two well defined allopatric clades of Blanus cinereus in the Iberian Peninsula. Using both univariate and multivariate statistical analyses, we show evidence of morphological differentiation between the two clades. Despite the lack of visually diagnosable morphological characters, the morphological and molecular data suggest that differentiation between the two clades was significantly enough to prevent in the past gene flow and therefore to warrant a specific status for each of the two clades. We suggest that the constraints of the subterranean life could increase the chances of experiencing cryptic speciation in worm lizards. In order to establish a taxonomic re-arrangement for the Iberian Blanus we designate a lectotype for B. cinereus from populations of central Iberia and describe a new species; Blanus mariae sp. nov. from southwestern regions of the Iberian Peninsula.

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