Works in South America
Published research works with metadata for South America (Continent).
1618 works
Showing 151 to 200 of 1618 works
Multi-century lake area changes in the Southern Altiplano: a tree-ring-based reconstruction
Abstract. Size fluctuations in endorheic lakes in northwestern Argentina (NWA) and southwestern Bolivia (SWB) are very sensitive to basin hydrological balances, and consequently, …
Microbial diversity in Maras salterns, a hypersaline environment in the peruvian andes.
ABSTRACTMaras salterns are located 3,380 m above sea level in the Peruvian Andes. These salterns consist of more than 3,000 little ponds which are not interconnected and act as cr…
Late Holocene environmental changes reconstructed from stable isotope and geochemical records from a cushion-plant peat…
ABSTRACTA Late Holocene paleoenvironmental record was obtained from the Lagunillas cushion peatland (LP, 27°12′S, 69°17′W), located in the dry Puna of the western Central Andes. T…
Methane Emissions from a Grassland-Wetland Complex in the Southern Peruvian Andes
Abstract. A 58 hectare mixed upland and lowland boreal plains watershed called the Sandhill Fen Watershed was constructed between 2008 and 2012. In the years following wetting in …
Fish-flamingo-plankton interactions in the Peruvian Andes
The zooplankton and flamingo populations of 20 high elevation (3,700–4,700 m) lakes in the Andes of southern Peru were assessed on one to three occasions each. Some of these lakes…
Wilson's Phalarope in the Central Andes and its Interaction with the Chilean Flamingo
The geological development of the basement of the Argentinian/Chilean Andes during the Palaeozoic is characterized by an almost continuous structural, metamorphic and plutonic mob…
Impact of a rock avalanche on a moraine-dammed proglacial lake: Laguna Safuna Alta, Cordillera Blanca, Peru
AbstractMoraines that dam proglacial lakes pose an increasing hazard to communities in the Andes and other mountain ranges. The moraines are prone to failure through collapse, ove…
Multidate, multisensor remote sensing reveals high density of carbon-rich mountain peatlands in the páramo of Ecuador
AbstractTropical peatlands store a significant portion of the global soil carbon (C) pool. However, tropical mountain peatlands contain extensive peat soils that have yet to be ma…
Blaberidae (Blattodea) of Madre de Dios, Peru and a key to Epilamprinae s. s.
Significant progress has been made in the cockroach faunistics of some South American countries (i.e., Brazil, Ecuador, Colombia, and the Guiana shield) during the last 25 years w…
Description of a new Andean species of widow spider (Araneae, Theridiidae, Latrodectus)
We describe a new species of widow spider (Araneae, Theridiidae, Latrodectus) from the Andean region. DNA barcode sequences are provided. The species is documented from museum spe…
Eight new species of Deltochilum Eschscholtz, 1822 (subgenus D. Deltohyboma Lane, 1946) from the Eastern Cordillera of …
The Neotropical genus Deltochilum Eschscholtz, 1822, is one of the most speciose genera in the tribe Deltochilini. This genus of dung beetles (Scarabaeidae: Scarabaeinae) is divid…
A new species of Asymphyloptera Collin (Diptera, Empididae, Clinocerinae) from the Colombian Andean-Amazon cloud forest…
Asymphyloptera is distributed in the Australasian region and the New World. A new species of Asymphyloptera Collin is described from the Colombian Andean-Amazon cloud forest, name…
Morphological and molecular evidence support a new species of the genus Ilocomba Brescovit, 1997 (Araneae, Anyphaenidae…
We describe a new species of the genus Ilocomba Brescovit, 1997 from the Andean region of Colombia using an integrative taxonomic approach that combines morphological and molecula…
Taxonomy of the ant genus Cardiocondyla Emery, 1869 from China, with the description of a new species of the sima group…
The genus Cardiocondyla Emery, 1869 is a diverse group of ants in the subfamily Myrmicinae, with a total of 89 recognised species and subspecies recorded worldwide. A new species …
An updated checklist of mosquitoes (Diptera, Culicidae) of Ecuador: new records and public health significance
Mosquitoes are major vectors of human and animal diseases, making their accurate identification essential for vector surveillance and control. However, morphological identificatio…
Taxonomic notes on the genus Hexanchorus Sharp, 1882 and Heterelmis Sharp, 1882 from Bolivia (Coleoptera, Elmidae)
The genus Hexanchorus Sharp, 1882 is represented in Bolivia by one species, H. tibialis Hinton, 1935. A series of this species was originally collected by Germain in the Yungas of…
A new sand-dwelling species of Rineloricaria (Siluriformes, Loricariidae) from the Eastern Brazilian Basin
We describe Rineloricaria harenae sp. nov., a sand-dwelling armoured catfish from the Itapocú River, Jaraguá do Sul, Santa Catarina, Brazil. The new species is diagnosed by a dist…
A new species of Aristotelia Hübner (Lepidoptera, Gelechiidae, Aristoteliinae) from northern Chile
Aristotelia Hübner, [1825] (Lepidoptera, Gelechiidae, Aristoteliinae) is a widely distributed moth genus comprising 153 described species, many of which have striking forewings. T…
A new spiny frog of the genus Pristimantis (Anura, Strabomantidae) from the eastern slopes of the Ecuadorian Andes
A new species of rain frog from the upper montane forest of the eastern Andes in the upper Pastaza watershed, Ecuador is described. Pristimantis fergusoni sp. nov. is characterize…
Morphological and molecular identification of symphylans (Myriapoda, Symphyla) from Colombian pineapple crops, with des…
Symphylans are soil-dwelling arthropods that can cause significant damage to agricultural crops, particularly pineapple. Despite their economic importance, their taxonomy and biod…
The microendemic Aegla expansa (Aeglidae) survives in highly disturbed micro-basins of southern Chile
Aegla expansa was described from an exoskeleton by Jara (1992). The type specimen (holotype) of the species was obtained from the hamlet of La Leonera, approximately six km east o…
Synopsis of the myrmecophilous genus Ecitonides Wasmann (Coleoptera, Staphylinidae, Paederinae), with description of tw…
The Neotropical genus of myrmecophilous beetles, Ecitonides Wasmann, 1894 (Staphylinidae: Paederinae: Lathrobiini), currently includes nine valid species distributed in French Gui…
A new isopod species of the genus Edotia (Valvifera, Idoteidae) from Argentina, with a key to South American species
A new valviferan isopod—Edotia dotiae sp. nov.— is described from the shallow coastal waters of Argentine Patagonia. The specimens were collected during three different expedition…
First country record of Metopiellus Raffray, 1908 (Staphylinidae, Pselaphinae, Metopiasini) from Ecuador, with descript…
Two new species from the genus Metopiellus Raffray, 1908 (Staphylinidae, Pselaphinae, Metopiasini) are described from both sides of the Ecuadorian Andes: Metopiellus palamaku sp. …
Forest-dwelling crab-eating foxes, Cerdocyon thous (Carnivora, Canidae), in eastern Ecuador: new ecological and genetic…
The crab-eating fox, Cerdocyon thous, is the most broadly distributed native canid in South America, occupying a wide range of ecosystems from open savannas to dense tropical fore…
Mazama tschudii (Wagner, 1855), forgotten by science, re-emerges as a new genetic lineage of Neotropical deer with a pr…
The accurate classification of Neotropical deer is essential for effective conservation strategies; however, many species within the genus Mazama remain taxonomically unresolved d…
Reassessment of Leucothyreus noctivagus Ohaus, 1917 reveals Mimogeniates margaridae Martínez, 1964 as new generic and s…
In this paper, Mimogeniates margaridae Martínez (Scarabaeidae, Rutelinae, Geniatini) is synonymized with Leucothyreus noctivagus Ohaus (syn. nov.). Hence, the monotypic genus Mimo…
Additions to the genus Rhyacopsyche Müller, 1879 (Trichoptera, Hydroptilidae) in Ecuador
Prior to this publication, six species of microcaddisflies in the genus Rhyacopsyche (Trichoptera: Hydroptilidae) had been recorded from Ecuador. Herein, we describe five new spec…
The genus Atopsyche (Trichoptera, Hydrobiosidae) in Peru, with the description of seven new species
The caddisfly genus Atopsyche (Trichoptera: Hydrobiosidae) in Peru currently includes 12 species, three of which occur only in Peru. Herein, we describe and illustrate seven new s…
A new species of Oecetis McLachlan, 1877 (Trichoptera, Leptoceridae) and new distributional records of Trichoptera in t…
The Amazon is one of the most diverse biomes on Earth, and most of its area is in the territory of Brazil. Even though it harbors most of Earth’s diversity, species remain to be d…
New Philopotamidae (Insecta, Trichoptera) from Ecuador: seven new species and updated country checklist
Seven new species in the caddisfly family Philopotamidae are diagnosed, described, and illustrated from Ecuador, three in the subfamily Chimarrinae: Chimarrhodella spinosa sp. nov…
Morphological and molecular revision of the subfamily Heterolepismatinae (Zygentoma, Lepismatidae), with descriptions o…
This work aims to update the systematics of silverfish of the subfamily Heterolepismatinae (Zygentoma, Lepismatidae) based on morphological and molecular data of new taxa from the…
Two new Galendromimus species (Acari, Phytoseiidae) from Brazil, with a world key and distributional notes on the tribe…
Two new species of Galendromimus Muma are described based on female and male specimens collected from native plants in the Atlantic Forest of Bahia State, northeastern Brazil: Gal…
Two new species of the Clistopyga henryi species-group (Hymenoptera, Ichneumonidae, Pimplinae) from South America, with…
The Neotropical Clistopyga henryi species-group includes currently four described species. In this study, we describe two new species (C. peruandina Sääksjärvi & Pádua, sp. nov. a…
The Hydradephaga (Coleoptera, Dytiscidae, Gyrinidae, Haliplidae, Noteridae) of the Iberá wetlands, the second largest w…
This study presents the first inventory of Hydradephaga beetles from the Iberá wetlands, a natural reserve located in the province of Corrientes, Argentina. A total of 80 taxa wer…
Cryptotermes mobydicki (Isoptera, Kalotermitidae), an extraordinary new termite species from French Guiana
Cryptotermes mobydicki sp. nov. is described from the soldier caste. The soldier is unique among all Cryptotermes species worldwide for its very narrow, elongate head capsule term…
The psyllid genus Ciriacremum (Hemiptera, Psyllidae) in Brazil
Ciriacremum is a genus of Ciriacreminae (Hemiptera, Sternorrhyncha, Psylloidea, Psyllidae) comprising 26 validly described species in the Afrotropical realm and only one in the Ne…
New species of the Brachyglutine genus Panabachia Park (Coleoptera, Staphylinidae, Pselaphinae) from Ecuador
Twenty-two new species of Panabachia Park (Coleoptera: Staphylinidae: Pselaphinae: Brachyglutini: Brachyglutina), are described from montane forest and páramo habitats of Ecuador:…
Amazoboea, a new genus of Darwin wasps (Hymenoptera, Ichneumonidae) from western Amazonia
We describe a new monotypic genus of Darwin wasps (Hymenoptera, Ichneumonidae, Banchinae) from the Yasuní region, Ecuador: Amazoboea gen. nov. is described to accommodate A. selva…
Circumscription of the sclerolobii group of Amblycerus Thunberg (Coleoptera, Chrysomelidae, Bruchinae) with description…
The seed-beetle Amblycerus Thunberg, 1815 the second most diverse genus of Bruchinae (Chrysomelidae) in the Western Hemisphere, is organized into groups of species, as many others…
First record of Bibrax Fletcher, 1927 (Coleoptera, Staphylinidae, Pselaphinae) from Ecuador, with descriptions of twelv…
Twelve new species of Bibrax Fletcher, 1927 (Coleoptera: Staphylinidae: Pselaphinae: Euplectitae: Metopiasini) from Ecuador are described: B. chullachaqui sp. nov., B. chocoensis …