Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 251 to 300 of 1618 works
A camouflaged diversity: taxonomic revision of the thorny lacewing subfamily Symphrasinae (Neuroptera, Rhachiberothidae)
Species of the thorny lacewing subfamily Symphrasinae (Neuroptera: Rhachiberothidae) are revised. Prior to this work, 42 species were known in the genera Anchieta Navás, 1909, Ple…
Redescription of the enigmatic myriapod Hanseniella chilensis (Hansen, 1903) (Symphyla, Scutigerellidae) based on scann…
Hanseniella chilensis is the only myriapod of the class Symphyla known from Chile. This garden centipede, or pseudocentipede, was described more than 120 years ago based on morpho…
On Ypsolopha micromoths (Lepidoptera, Ypsolophidae) associated with Adesmia shrubs (Fabaceae) in the arid western slope…
Ypsolopha Latreille, 1796 (Lepidoptera, Ypsolophidae) is a genus comprised mostly of Holarctic micromoth species with a fairly broad range of larval hosts (e.g. Aceraceae, Rosacea…
Two new species of the hyperdiverse geometrid moth genus Eois (Lepidoptera, Geometridae, Larentiinae) from Ecuador, wit…
The hyperdiverse geometrid genus Eois Hübner, estimated to encompass more than 1,000 species, is among the most species-rich genera in all of Lepidoptera. While the genus has attr…
First amphibious Crinocheta (Isopoda, Oniscidea) from the Neotropics with a troglobitic status: a relictual distribution
The first freshwater amphibian representative of Crinocheta (Oniscidea) from the Neotropics is described from caves within the Brazilian Cerrado biome, state of Mato Grosso do Sul…
The ants of the genus Rhopalothrix Mayr, 1870 (Hymenoptera, Formicidae, Myrmicinae) in Colombia
The ants of the genus Rhopalothrix are diverse in the Neotropical region, with 14 of the 16 described species. Based on museum material and recent fieldwork, Rhopalothrix ants in …
Two new species of Hyalella (Amphipoda, Dogielinotidae) from the Humid Chaco ecoregion of Paraguay
The freshwater amphipod genus Hyalella Smith, 1874 is widely distributed in the Neotropics, with several biogeographically restricted species and a high cryptic diversity througho…
Argyrotaenia socoromaensis sp. nov. (Lepidoptera, Tortricidae), a sexually dimorphic micromoth with polyphagous larvae…
Argyrotaenia socoromaensis sp. nov. (Lepidoptera, Tortricidae, Tortricinae, Archipini) from the arid Andes of northern Chile is described and illustrated. Adults are sexually dimo…
New morphological and biological contributions to adults and immature forms of Pissonotus paraguayensis (Fulgoromorpha…
In the search for insects as biological control agents for the water primrose, the delphacid Pissonotus paraguayensis (Delphacidae) was found on Ludwigia grandiflora subsp. hexape…
Reclassification of Cybistrinae Sharp, 1880 in the Neotropical Region (Coleoptera, Adephaga, Dytiscidae), with descrip…
The classification of the Neotropical Cybistrinae Sharp, 1880 (Coleoptera: Adephaga: Dytiscidae) is extensively revised based on a phylogenetic analysis of morphological features …
A new cryptic species of terrestrial breeding frog of the Pristimantis danae Group (Anura, Strabomantidae) from montan…
Based on morphological and molecular characters, we describe a new species of terrestrial breeding frog of the Pristimantis danae Group from montane forests of La Mar Province, Ay…
Larval polyphagy of Cataspilates marceloi (Lepidoptera, Geometridae), a Neotropical geometrid moth with flightless fem…
Surveys in the arid shrubland of the central Andes revealed larval polyphagy for Cataspilates marceloi Vargas, 2022 (Lepidoptera, Geometridae, Ennominae, Boarmiini), a geometrid m…
On Psalmopoeus Pocock, 1895 (Araneae, Theraphosidae) species and tarantula conservation in Ecuador
Two novel species of Psalmopoeus Pocock, 1895 are described from the north-western and central-western slopes of the Cordillera Occidental of the Andes mountain range in Ecuador. …
Revisiting Szeptyckitheca Betsch & Weiner (Collembola, Symphypleona, Sminthuridae): new species, updated diagnoses, an…
Szeptyckitheca Betsch & Weiner is a genus of Sphyrothecinae (Sminthuridae) similar to Sphyrotheca Börner, with 13 nominal species. Most descriptions of Szeptyckitheca taxa lack va…
A new genus and five new species of pseudoscorpions (Arachnida, Pseudoscorpiones, Withiidae) from Colombia
The pseudoscorpion family Withiidae is widely distributed around the world, with most of its diversity in tropical areas. Five new species and a new genus from Colombia are descri…
An updated world checklist of velvet worms (Onychophora) with notes on nomenclature and status of names
More than a decade has passed since the publication of the only world checklist available for Onychophora. During this period, numerous nomenclatural acts and taxonomic changes ha…
Cryptotermes pugnus (Blattodea, Isoptera, Kalotermitidae), a new drywood termite species from the Brazilian Caatinga d…
A new termite species, Cryptotermes pugnus sp. nov., is described from northeastern Brazil. The winged imago of C. pugnus is distinguished from most congeners by the lack of aroli…
A new species of Kodormus Barber, with a redescription of the genus, taxonomic notes, and a key to the species of the …
Kodormus davidmartinsi sp. nov. is described. Taxonomic notes on the other species of Kodormus Barber, 1930, including the description of their male genitalia, are provided. The r…
Two new species of terrestrial frogs of the Pristimantis gladiator complex (Anura, Strabomantidae) from the Ecuadorian…
The explosive diversity of rainfrogs (Pristimantis spp) reaches its highest levels in the mountains of the Tropical Andes, with remarkable cryptic species mainly in unexplored are…
Passalidae (Coleoptera, Scarabaeoidea) from the Caribbean coast of Colombia: synopsis, key, and new species description
Bess beetles (Passalidae) are a subsocial family of Coleoptera with approximately 1000 known species of saproxylophagous diet and pantropical distribution, with few extratropical …
Phylogenetic relationships, distribution, and conservation of Roosmalens’ dwarf porcupine, Coendou roosmalenorum Voss …
The New World porcupines of the genus Coendou comprise 16 species of arboreal nocturnal rodents. Some of these species are poorly known and have not been included in phylogenetic …
Exploring the relationship between bats (Mammalia, Chiroptera) and ectoparasitic flies (Diptera, Hippoboscoidea) of th…
Bat flies (Nycteribiidae and Streblidae) have been used to study co-evolutionary patterns between ectoparasites and bats. In the world, Nycteribiidae and Streblidae are represente…
Increasing knowledge of Cymbiapophysa Gabriel & Sherwood, 2020 (Araneae, Theraphosidae): general distribution, key to …
Three new species of Cymbiapophysa Gabriel & Sherwood, 2020 are described from south, central, and north-western Ecuador, showing the wide range of distribution that this genus ha…
Peruvian nudibranchs (Mollusca, Gastropoda, Heterobranchia): an updated literature review-based list of species
Nudibranchs, as a group, have received limited attention in terms of scientific study along the coastline of Peru. Here, an updated and comprehensive list of nudibranch species fo…
Miradessus gen. nov. from South America described for two species previously in Amarodytes Régimbart, 1900 and two new…
Miradessus gen. nov. is described for two previously described species, Amarodytes pulchellus Guignot, 1955 from Colombia, with new records from Venezuela, and A. plaumanni Gschwe…
Mapping the distribution of armored harvestmen (Opiliones, Laniatores) in Colombia: updated list of species, taxonomic…
Colombia is a biodiverse country with 1,486 protected areas covering almost 50 million hectares, yet little is known about the biodiversity they harbor, particularly in terms of h…
New species of the Spiny Mouse genus Neacomys (Cricetidae, Sigmodontinae) from northwestern Ecuador
Neacomys is a genus of small spiny or bristly sigmodontine rodents that are common components of mammalian faunas in multiple biomes on Central and South America. Recent studies o…
A revision of the parasitoid wasp genus Alphomelon Mason with the description of 30 new species (Hymenoptera, Braconid…
The parasitoid wasp genus Alphomelon Mason, 1981 is revised, based on a combination of basic morphology (dichotomous key and brief diagnostic descriptions), DNA barcoding, biology…
Rediscovery of Histiotus alienus Thomas, 1916 a century after its description (Chiroptera, Vespertilionidae): distribu…
Histiotus is a Neotropical genus of bat that currently includes 11 species. The systematics of Histiotus has been the focus of several studies over the last decades. However, no b…
A new species of Lumbrineriopsis (Annelida, Eunicida, Lumbrineridae) from southeastern Brazil
Lumbrineriopsis dulcis sp. nov. is morphologically described from the continental shelf and slope of Espírito Santo and the Campos Basin of Rio de Janeiro state, southeastern Braz…
Two new species of Sminthurididae (Hexapoda, Collembola, Symphypleona) from Brazil with notes on Denisiella Folsom & M…
Two new species of Sminthurididae, Sphaeridia piauiensis Medeiros & Bellini, sp. nov. and Denisiella piracurucaensis Silva, Medeiros & Bellini, sp. nov. from Piaui state, Brazil, …
Two new species of Curvianchoratus (Monogenoidea, Dactylogyridae) parasitizing Psectrogaster amazonica (Characiformes,…
Several studies have demonstrated parasitism by monogenoids in characiform fish in the Neotropics. During studies on the helminth fauna of curimatids from the Tocantins River, spe…
Revision of the Neotropical water scavenger beetle genus Novochares Girón & Short (Coleoptera, Hydrophilidae, Acidocer…
The water scavenger beetle genus Novochares Girón & Short, 2021 is revised using a combination of adult morphological and DNA sequence data. Thirty-eight new species are described…
Diminishing the taxonomic gap in the neotropical soldierless termites: descriptions of four new genera and a new Anopl…
The neotropical Apicotermitinae is a common and widespread clade of mostly soil-feeding soldierless termites. With few exceptions, species of this group were originally assigned t…
Redescription and geographical distribution of Leiostracus obliquus (Reeve, 1849) (Mollusca, Gastropoda, Simpulopsidae)
Leiostracus Albers, 1850 was established to allocate land snails from Central America and Northern South America. Currently, approximately 19 species are considered valid. However…
Reassessment of the type locality of Euptychia stigmatica Godman, 1905, with the description of two new sibling specie…
A brief historical review regarding the type locality of Euptychia stigmatica Godman, 1905 was conducted, which suggests that its type locality is actually Rio de Janeiro, Brazil,…
Phylogenetic analysis of the Neotropical scarab beetle tribe Aegidiini (Coleoptera, Scarabaeidae, Orphninae) with desc…
In the Neotropics, orphnine scarab beetles are represented by the endemic tribe Aegidiini Paulian, 1984 with five genera and over 50 species. Phylogenetic analysis based on morpho…
Molecular species delimitation and description of a new species of Phenacogaster (Teleostei, Characidae) from the sout…
Phenacogaster is the most species-rich genus of the subfamily Characinae with 23 valid species broadly distributed in riverine systems of South America. Despite the taxonomic dive…
A revision of the Chilean water penny genus Tychepsephus Waterhouse, 1876 (Coleoptera, Psephenidae, Eubriinae), with d…
The Chilean water penny genus Tychepsephus Waterhouse, 1876 is revised, with descriptions and photographic illustrations of life stages including two larval morphotypes, the pupa …
Tapeworms (Platyhelminthes, Cestoda) from marine chondrichthyans of the Southwestern Atlantic Ocean, and the sub-Antar…
A parasite-host list of cestodes parasitizing chondrichthyans in the Southwest Atlantic off Argentina and surrounding waters of Antarctica is compiled based on the available liter…
Evidence using morphology, molecules, and biogeography clarifies the taxonomic status of mole crabs of the genus Emeri…
Uncertainties regarding the taxonomic status and biogeographical distribution of some species of the genus Emerita from the western Atlantic led to thorough examination of the sub…
A new Neotropical ant species of genus Linepithema Mayr (Hymenoptera, Formicidae, Dolichoderinae) with partial revisio…
The genus Linepithema was erected by Mayr (1866) for his male-based species L. fuscum. In this study a new species is described also based on male morphology, L. paulistana sp. no…
Discovery and redescription of the true Nuvol umbrosus Navás and naming of a new Nuvol species (Neuroptera, Chrysopida…
Examination of a newly discovered specimen of Nuvol showed that our earlier species determination of Nuvol umbrosus Navás had been incorrect and that our “redescription” of the sp…
A new Bolitoglossa (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia
A new salamander species of the genus Bolitoglossa is here described from the cloud forests of the western slopes of the Cordillera Oriental of Colombia, in the Cundinamarca depar…
Larissimus nigricans sp. nov. (Hymenoptera, Braconidae), a new reared species of a rare neotropical genus recovered th…
A new species of the rarely collected neotropical microgastrine braconid wasp genus Larissimus Nixon, represented previously by only a single described species, L. cassander Nixon…
Trophobiosis between a new species of Acropyga (Hymenoptera, Formicidae) and new Neochavesia (Hemiptera, Xenococcidae)…
We describe a new pair of trophobiotic partners from the ant genus Acropyga and the root mealybug genus Neochavesia. A recent field study on Acropyga ants and associated root meal…
The genus Climaciella Enderlein, 1910 (Neuroptera, Mantispidae) in French Guiana
The genus Climaciella Enderlein, 1910 is a remarkable group of mantidflies (Neuroptera: Mantispidae: Mantispinae) distributed from Canada to Argentina, including parts of the Cari…
A new glassfrog species of the genus Centrolene (Amphibia, Anura, Centrolenidae) from Cordillera del Cóndor, southern …
Based on an integrative taxonomical approach, using molecular, morphological, and bioacoustics data, a new species of glassfrog of the genus Centrolene is described from Refugio d…
Eastern Colombian Páramo Liodessus Guignot, 1939 diving beetles are genetically structured, but show signs of hybridiz…
We studied Liodessus diving beetles from six eastern Colombian Páramo areas, as well as from the Altiplano. We discovered a highly characteristic new species, based on male genita…
A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from …
A molecular phylogeny of the Neotropical snail-eating snakes (tribe Dipsadini Bonaparte, 1838) is presented that includes 60 of the 133 species currently recognized. There is morp…